Processing results and graphs: Edexcel International A Level Physics questions

Edexcel International A Level Physics past-paper questions on P.1.3 Processing results and graphs, 2019–2025, with mark schemes and examiner’s reports where available.

All 175 questions on Processing results and graphs, as a list

June 2025, AS Unit 3, Q2(b)(i) (2 marks): Determine the mean value of t. (2) Mean value of t =
June 2025, AS Unit 3, Q4(c)(ii) (5 marks): The student recorded the following data. n f / Hz 1 128 2 445 3 741 4 1020 5 1312 6 1608 Plot a graph of f on the y-axis against n on the x-axis on the grid opp
June 2025, AS Unit 3, Q4(c)(iii) (4 marks): Determine the value of v from the graph. L = 0.595 m (4) v =
June 2025, AS Unit 3, Q4(c)(iv) (2 marks): The student suggested that the magnitude of k is half the magnitude of the gradient. Determine whether the student’s suggestion could be correct. (2)
June 2025, Unit 6, Q1(b) (3 marks): The student charged the 680 µF capacitor to different potential differences, V1. For each value of potential difference V1, she connected the 680 µF capacitor t
June 2025, Unit 6, Q3(c)(i) (2 marks): Explain how a graph of ln V against w could be used to determine a value for B. (2)
June 2025, Unit 6, Q3(c)(ii) (5 marks): The student recorded the following results. w / mm V / mV 1.21 381 2.46 375 4.88 366 6.10 361 8.55 352 10.97 344 Plot a graph of ln V against w on the grid oppo
June 2025, Unit 6, Q3(c)(iii) (3 marks): Determine the gradient of the graph. (3) Gradient =
June 2025, Unit 6, Q3(c)(iv) (4 marks): The mean thickness of each glass slide was 1.22 mm. Determine the minimum number of glass slides needed to reduce V to 75% of the initial value. (4) Minimum num
June 2025, Unit 6, Q4(a)(iii) (2 marks): The student recorded the following results. 10T / s 6.88 6.93 6.84 6.96 Calculate the mean value of T. (2) Mean value of T =
January 2025, AS Unit 3, Q1(b)(i) (2 marks): Determine the mean value of t. (2) Mean value of t =
January 2025, AS Unit 3, Q2(b)(ii) (2 marks): The student concluded that the increase in maximum force was proportional to the mass of fibre in the beam. Explain how the student could justify his conclusion
January 2025, AS Unit 3, Q3(b)(ii) (3 marks): The student plotted a graph of % efficiency against θ. 30 29 28 % efficiency 27 26 25 30 40 50 60 70 80 θ / Determine the maximum % efficiency of the arrangemen
January 2025, AS Unit 3, Q4(a)(i) (2 marks): Complete the table with corresponding values of sin θ. Use the additional column to record your processed data. (2)
January 2025, AS Unit 3, Q4(a)(ii) (5 marks): Plot a graph of f on the y-axis against sin θ on the x-axis on the grid opposite. (5)
January 2025, AS Unit 3, Q4(c)(i) (3 marks): Determine the value of v using your graph. λ = 650 nm (3) v =
January 2025, Unit 6, Q1(c)(i) (1 mark): Determine the mean value of θ. (1) Mean θ =
January 2025, Unit 6, Q2(b) (6 marks): The student placed a light sensor a distance from the filament bulb. The light sensor measured X, the light received, in lux, from the filament bulb. She predic
January 2025, Unit 6, Q3(b)(i) (2 marks): Explain how a graph of ln A against n can be used to determine the value of λ. (2)
January 2025, Unit 6, Q3(b)(ii) (5 marks): The student recorded the following results. n A / cm 5 8.5 10 7.0 15 5.5 20 5.0 25 4.0 30 3.5 Plot a graph of ln A against n on the grid opposite. Use the addit
January 2025, Unit 6, Q3(b)(iii) (3 marks): Determine the value of λ from the graph. (3) λ =
January 2025, Unit 6, Q3(b)(iv) (3 marks): Determine the value of A0 from the graph. (3) A0 =
January 2025, Unit 6, Q4(c)(i) (2 marks): Determine the student’s value of g. (2) g =
October 2024, AS Unit 3, Q3(c)(i) (2 marks): Determine the mean value of n. (2) Mean value of n =
October 2024, AS Unit 3, Q4(a) (2 marks): Explain how a graph of K against L can be used to determine the value of MR. (2)
October 2024, AS Unit 3, Q4(b)(i) (5 marks): Plot a graph of K on the y-axis against L on the x-axis on the grid opposite. (5)
October 2024, AS Unit 3, Q4(b)(ii) (3 marks): Determine the gradient of the graph. (3) Gradient =
October 2024, AS Unit 3, Q4(b)(iii) (2 marks): Determine a value for MB. MA = 0.400 kg (2) MB =
October 2024, AS Unit 3, Q4(b)(iv) (4 marks): Determine a value for MR. (4) MR =
October 2024, Unit 6, Q2(a)(i) (2 marks): Determine the mean value of the period T. (2) Mean value of T =
October 2024, Unit 6, Q2(b) (6 marks): The student modified the apparatus to investigate damped oscillations of the mass‑spring system. She placed a circular piece of card between the masses to act a
October 2024, Unit 6, Q3(a) (2 marks): Explain how a graph of log L against log M can be used to determine the M value of r. (2)
October 2024, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log L against log M on the grid opposite. M Use the additional columns for your processed data. Do not convert the values of L from 10 35 W to
October 2024, Unit 6, Q3(b)(ii) (3 marks): Determine the value of r from the graph. (3) r =
October 2024, Unit 6, Q3(b)(iii) (3 marks): Determine the value of L from the graph. (3) L =
October 2024, Unit 6, Q3(b)(iv) (2 marks): A particular main sequence star has a mass of 33 M. Determine the luminosity L of this star. (2) L =
October 2024, Unit 6, Q4(b)(ii) (2 marks): The student recorded the following data. M = 400 g D = 0.800 m ± 0.001 m a = 25.02 mm ± 0.05 mm b = 6.17 mm ± 0.02 mm T = 0.62 s ± 0.01 s Show that E is about 1
June 2024, AS Unit 3, Q3(c)(i) (2 marks): Determine the mean value of v. (2) Mean value of v =
June 2024, AS Unit 3, Q4(c)(i) (2 marks): Explain how a graph of R L against L can be used to determine the value of ρ. (2)
June 2024, AS Unit 3, Q4(c)(ii) (2 marks): The student recorded the following data. R L / m I / A V / V L 0.100 0.720 1.40 0.200 0.390 1.39 0.300 0.290 1.42 0.400 0.250 1.48 0.500 0.220 1.47 0.600 0.210
June 2024, AS Unit 3, Q4(c)(iii) (5 marks): Plot a graph of R L on the y-axis against L on the x-axis on the grid opposite. (5)
June 2024, AS Unit 3, Q4(c)(iv) (3 marks): Determine the value of k from the graph. (3) k =
June 2024, AS Unit 3, Q4(c)(v) (3 marks): Determine the value of ρ from the graph. d = 0.27 mm (3) ρ =
June 2024, Unit 6, Q1(c)(i) (1 mark): Calculate the mean value of h. (1) Mean value of h =
June 2024, Unit 6, Q2(a) (2 marks): Show that the formula gives the unit for η as N s m –2. (2)
June 2024, Unit 6, Q2(b) (6 marks): The student used a metre rule to measure L and a stopwatch to measure t. He adjusted the water tap to give a constant flow of water. Describe a method to determ
June 2024, Unit 6, Q3(b)(i) (2 marks): Explain how a graph of log T against log M can be used to determine the value of b. (2)
June 2024, Unit 6, Q3(b)(ii) (6 marks): The student varied M and determined the corresponding values of T. She recorded the following data. M / kg T / s 0.200 1.46 0.300 1.86 0.400 2.14 0.500 2.36 0.6
June 2024, Unit 6, Q3(b)(iii) (3 marks): Determine the gradient of the graph. (3) Gradient =
June 2024, Unit 6, Q3(b)(iv) (3 marks): Determine the value of a. (3) a =
June 2024, Unit 6, Q4(b)(i) (2 marks): Show that V is about 6.2 cm 3. (2)
January 2024, AS Unit 3, Q3(c)(i) (2 marks): Determine the mean value of d. (2) Mean value of d =
January 2024, AS Unit 3, Q4(b)(i) (2 marks): Explain why a graph of I against d should be a straight line through the origin. 2 (2)
January 2024, AS Unit 3, Q4(b)(ii) (2 marks): The student varied d and recorded corresponding values of I. She recorded the results in the table as shown. –2 d / m I / W m 0.125 996 0.175 510 0.250 276 0.37
January 2024, AS Unit 3, Q4(b)(iii) (5 marks): Plot a graph of I on the y-axis against d on the x-axis on the grid opposite. 2 (5)
January 2024, AS Unit 3, Q4(b)(iv) (3 marks): Determine the value of k from the graph. (3) k =
January 2024, Unit 6, Q1(b)(i) (1 mark): Determine the value of f0 from the graph. (1) f0 =
January 2024, Unit 6, Q2(b) (6 marks): The student suggested that the relationship between the temperature θ of the water and time t is –bt θ = θ0e where θ0 is the initial temperature of the water an
January 2024, Unit 6, Q3(b) (2 marks): The student predicted that the relationship between F and x was of the form F = kx p where k and p are constants. Explain how a graph of log F against log x can
January 2024, Unit 6, Q3(c)(i) (6 marks): Plot a graph of log F against log x on the grid opposite. Use the additional columns for your processed data. (6)
January 2024, Unit 6, Q3(c)(ii) (3 marks): Determine the gradient of the graph. (3) Gradient =
January 2024, Unit 6, Q3(c)(iii) (3 marks): The student suggested that the relationship between F and x is an inverse square relationship. Explain whether the graph supports this suggestion. (3)
January 2024, Unit 6, Q4(c)(i) (2 marks): Determine the value of n. (2) n =
October 2023, AS Unit 3, Q2(b) (1 mark): The student measured values of x and corresponding values of R and plotted a graph of his measurements. 2.00 1.50 R / mΩ 1.00 0.50 0.00 0.00 0.05 0.10 0.15 0.20
October 2023, AS Unit 3, Q2(c) (4 marks): The total length l of copper in the circuit is given by l = 2x + 0.050 m The copper rods have a diameter of 3.0 mm. Determine the resistivity of the copper. (4)
October 2023, AS Unit 3, Q3(b)(i) (2 marks): Describe how the student could use a graph to determine a value of k. (2)
October 2023, AS Unit 3, Q4(a)(i) (6 marks): Plot a graph of Emax on the y-axis against 1/λ on the x-axis on the grid opposite. Use the additional column of the table for your processed data. (6)
October 2023, AS Unit 3, Q4(a)(ii) (2 marks): The relationship between the maximum kinetic energy Emax of the emitted electrons and the wavelength λ of the incident photons is given by the equation hc λ = ϕ
October 2023, AS Unit 3, Q4(a)(iii) (4 marks): Determine a value of h. (4) h =
October 2023, Unit 6, Q1(c) (4 marks): The student plotted a graph of his readings as shown. 1.2 1.0 0.8 0.6 m / g 0.4 0.2 0.0 0 1 2 3 4 5 6 I / A The relationship between m and I is given by BL m
October 2023, Unit 6, Q2(b) (6 marks): The student used a stopwatch to determine T. Describe a method, using the pendulum, to obtain a value for H. Your method should use a suitable graph. (6)
October 2023, Unit 6, Q3(a) (2 marks): Explain why a graph of ln P against h can be used to determine a value for b. (2)
October 2023, Unit 6, Q3(b)(i) (5 marks): Plot a graph of ln P against h on the grid opposite. Use the additional column for your processed data. (5)
October 2023, Unit 6, Q3(b)(ii) (3 marks): Determine the gradient of the graph. (3) Gradient =
October 2023, Unit 6, Q3(b)(iii) (3 marks): The gradient of the graph is given by gradient = − Mg kT where M = mass of one air molecule k = Boltzmann constant T = 288 K Determine a value for M. (3) M =
October 2023, Unit 6, Q3(b)(iv) (3 marks): The lowest point on dry land is 414 m below sea level. Determine the value of P for this point. (3) P =
October 2023, Unit 6, Q4(a)(ii) (1 mark): The student recorded the following measurements. t / mm 1.02 1.06 1.05 1.01 Calculate the mean value of t in mm. (1) Mean value of t = mm
June 2023, AS Unit 3, Q3(b)(i) (2 marks): Determine the mean value of a in m (2) Mean value of a = m 2 V
June 2023, AS Unit 3, Q3(b)(iii) (2 marks): A different student repeated the investigation using six values of V. She plotted a 1 graph of V against 2 and determined the constant a from the gradient. λ Gi
June 2023, AS Unit 3, Q4(c)(i) (2 marks): Explain why a graph of cos 2 Δx can be used to determine a value for g. (2)
June 2023, AS Unit 3, Q4(c)(ii) (6 marks): The student recorded the following data. θ cos 2 Δx / m 0.938 0.165 0.926 0.169 0.911 0.175 0.902 0.178 0.891 0.183 θ on the y‑axis against 1 Plot a graph o
June 2023, AS Unit 3, Q4(c)(iii) (3 marks): Determine the gradient of the graph. (3) Gradient =
June 2023, AS Unit 3, Q4(c)(iv) (2 marks): Determine a value for g from the gradient of the graph. m = 1.20 kg k = 145 N m –1 (2) g =
June 2023, Unit 6, Q1(b) (3 marks): A student connected the tube to the water flow device shown below. A magnet is attached to the paddle wheel. magnet coil paddle wheel water from tube As water f
June 2023, Unit 6, Q2(b)(i) (2 marks): Explain why a graph of ln C against x could be used to test the validity of this relationship. (2)
June 2023, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log d against log L on the grid opposite. Use the additional columns for your processed data. (6)
June 2023, Unit 6, Q3(b)(ii) (3 marks): Determine the gradient of the graph. (3) Gradient =
June 2023, Unit 6, Q3(b)(iii) (3 marks): It is suggested that for a given load, the relationship between d and L is of the form r d = k L where r and k are constants. Determine the value k from the gra
June 2023, Unit 6, Q4(c)(i) (2 marks): Show that ρ is about 1200 kg m –3. D = 2.38 cm ± 0.01 cm T = 0.61 s ± 0.01 s m = 48.95 g (2)
January 2023, AS Unit 3, Q4(a)(i) (2 marks): Determine the mean value of time in s. (2) Mean value of time = s
January 2023, AS Unit 3, Q4(c)(i) (2 marks): Explain why a graph of F against v can be used to determine a value for t. (2)
January 2023, AS Unit 3, Q4(c)(ii) (5 marks): The student recorded the following results. F / N v / m s –1 0.5 0.28 1.5 0.84 2.5 1.40 3.5 1.97 4.5 2.52 Plot a graph of F on the y axis against v on the x axi
January 2023, AS Unit 3, Q4(c)(iii) (3 marks): Determine a value for t using the gradient of your graph. M = 0.125 kg (3) t =
January 2023, Unit 6, Q3(a) (2 marks): The relationship between the maximum displacement angle θ and number of oscillations n is given by θ = θ0e–λn where θ0 is the initial displacement angle and λ i
January 2023, Unit 6, Q3(b)(i) (5 marks): Plot a graph of ln θ against n on the grid opposite. Use the additional column for your processed data. (5)
January 2023, Unit 6, Q3(b)(ii) (3 marks): Determine the value of λ from the graph. (3) λ =
January 2023, Unit 6, Q3(b)(iii) (3 marks): The student claimed that the initial displacement angle was greater than 180 °. Deduce whether this claim is correct. (3)
January 2023, Unit 6, Q4(d)(i) (2 marks): Determine the mean density ρ, in g cm–3, of the metal the ring is made from. m10 = 63.0 g ± 0.5 g x10 = 14.03 mm ± 0.04 mm A = 602 mm2 ± 0.4 % (2) ρ = g cm–3
October 2022, AS Unit 2, Q18(b) (3 marks): The student measured θ for values of n from 1 to 4. Describe how a graphical method can be used to determine the wavelength of the light from the laser. Assume
October 2022, AS Unit 3, Q2(b)(i) (3 marks): The student wrote the following conclusion. The resistivity of the salt solution is inversely proportional to the mass of salt dissolved in the sample. Explain
October 2022, AS Unit 3, Q3(b)(i) (2 marks): For a lens, P can be calculated using P = 1 u + 1 v Calculate the value missing from the table. (2) P = D
October 2022, AS Unit 3, Q4(b) (5 marks): Using the grid opposite, plot a graph of d on the y-axis against F on the x-axis. (5)
October 2022, AS Unit 3, Q4(c)(i) (2 marks): The ‘bending modulus’ E of the plastic beam can be calculated using the equation l F 3 E = wh d 4 3 l 3 Show that the gradient of the graph is equal to wh E 4 3
October 2022, AS Unit 3, Q4(c)(ii) (2 marks): Determine the gradient of your graph. (2) Gradient =
October 2022, AS Unit 3, Q4(c)(iii) (2 marks): The student recorded the following measurements for the plastic beam. l / cm 30 w / mm 20 h / mm 10 Determine E, in GPa, for the plastic beam. (2) E = GPa
October 2022, Unit 6, Q2(a) (2 marks): Explain why a graph of ln V against t should be used to test this relationship. (2)
October 2022, Unit 6, Q3(a)(i) (6 marks): Plot a graph of log P against 1 T on the grid opposite. Use the additional columns for your processed data. (6)
October 2022, Unit 6, Q3(a)(ii) (3 marks): Determine the gradient of the graph. (3) Gradient =
October 2022, Unit 6, Q3(a)(iii) (3 marks): The gradient of the graph of log P against 1 T is given by X gradient = – k 2 30 . where X is a constant with unit joules, and k is the Boltzmann constant. Dete
October 2022, Unit 6, Q3(b) (3 marks): Liquids boil when the saturated vapour pressure is equal to atmospheric pressure. Determine the boiling point of the liquid in °C when the atmospheric pressure
June 2022, AS Unit 3, Q2(b)(i) (3 marks): Explain why the gradient of this graph can be used to determine the refractive index of the transparent material. (3)
June 2022, AS Unit 3, Q4(c)(i) (6 marks): Plot a graph of D2 on the y‑axis against H on the x‑axis. Use the additional column of the table for your processed data. (6)
June 2022, AS Unit 3, Q4(c)(ii) (3 marks): The gradient of the graph is equal to 2 2 v g Determine the value of v using your graph. (3) v = m s–1
June 2022, Unit 6, Q2(a) (6 marks): The time taken for the amplitude of one pendulum to change from zero to a maximum and back to zero again is P. It is suggested that the relationship between P a
June 2022, Unit 6, Q3(a) (2 marks): The relationship between the atomic number Z and the frequency f of the most intense spectral line is given by Z = k f n where k and n are constants. Explain wh
June 2022, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log Z against log f on the grid opposite. Use the additional columns for your processed data. You should not convert the values of f from 1015 H
June 2022, Unit 6, Q3(b)(ii) (3 marks): Determine the value of n. (3) n =
June 2022, Unit 6, Q3(b)(iii) (3 marks): Determine the value of k using your graph. (3) k =
June 2022, Unit 6, Q3(c) (2 marks): A scientist named Henry Moseley suggested that Z µ f 0.5 Explain whether the graph supports this suggestion. (2)
June 2022, Unit 6, Q4(c)(i) (2 marks): Determine the density ρ of the metal from which the nut is made. (2) ρ =
January 2022, AS Unit 3, Q3(d)(i) (3 marks): The relationship between F and x is mgx W F = + l sin θ 2sin θ where l is the length of the bracket m is the mass hung from the bracket. Determine a value for W
January 2022, AS Unit 3, Q4(a)(i) (6 marks): Plot a graph of R on the y-axis against 1 / w on the x-axis. Use the additional column of the table for your processed data. (6)
January 2022, AS Unit 3, Q4(a)(ii) (3 marks): Determine t using data from the graph. ρ = 4.0 × 103 Ω m L = 10.0 cm (3)
January 2022, Unit 6, Q1(c)(ii) (3 marks): The student recorded the following measurements. θ / °C l / cm 19.0 16.0 35.0 16.9 49.0 17.7 The student predicted that a graph of l against θ could be used to
January 2022, Unit 6, Q3(c) (2 marks): The corrected count rate C varies over time t according to the relationship C = C0 e−λt where C0 is the initial count rate and λ is the decay constant. Explain
January 2022, Unit 6, Q3(d)(i) (5 marks): Plot a graph of ln C against t on the grid opposite. Use the additional column in the table to record your processed data. (5)
January 2022, Unit 6, Q3(d)(ii) (3 marks): Isotope X has a half-life of approximately 30 minutes. Determine a value of λ, in hours−1, for isotope Y. (3) λ = hours−1
January 2022, Unit 6, Q4(d)(i) (2 marks): Determine a value for g. (2) g =
October 2021, AS Unit 3, Q1(c)(i) (2 marks): Estimate the value of V for a temperature of 0 °C. (2)
October 2021, AS Unit 3, Q1(d) (2 marks): The student suggested that V is inversely proportional to temperature measured in kelvin. Determine whether she is correct. (2)
October 2021, AS Unit 3, Q2(b)(i) (3 marks): Determine the wavelength of the microwaves being transmitted. (3) Wavelength =
October 2021, AS Unit 3, Q4(a)(ii) (5 marks): Plot a graph of r on the y-axis and h on the x-axis. (5)
October 2021, AS Unit 3, Q4(b)(ii) (3 marks): The coefficient of restitution e is given by the equation v e = u where v is the velocity of the cube immediately after the collision. Explain why the gradient
October 2021, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log f against log V on the grid opposite. Use the additional columns in the table to record your processed data. (6)
October 2021, Unit 6, Q3(b)(ii) (5 marks): It is suggested that the relationship between f and V is given by − 1 f = kV 2 where k is a constant. Discuss whether the graph supports this suggestion. (5)
October 2021, Unit 6, Q4(c) (2 marks): The shear modulus G is a measure of a material’s resistance to bending, and is given by 32 mglx 2 G = π yd 4 where m is the mass attached to the end of the rod
June 2021, AS Unit 1, Q18(c)(ii) (3 marks): Determine a value for k using the student’s graph. (3) k =
June 2021, AS Unit 3, Q2(b)(i) (2 marks): Calculate the mean value of l. (2) Mean value of l =
June 2021, AS Unit 3, Q4(a) (3 marks): Explain why a graph of Va against 1/λ should give a straight line. (3)
June 2021, AS Unit 3, Q4(b)(i) (2 marks): Complete the table with the corresponding values of 1/λ. (2)
June 2021, AS Unit 3, Q4(b)(ii) (5 marks): Plot a graph of Va on the y-axis against 1/λ on the x-axis. (5)
June 2021, AS Unit 3, Q4(b)(iii) (3 marks): Determine the value of the Planck constant given by the student’s data. (3) Planck constant =
June 2021, Unit 5, Q17(b)(ii) (6 marks): The student used a stopwatch to determine the frequency of oscillation f of the mass m. She repeated this procedure for four more values of m and obtained the f
June 2021, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log T against log M on the grid opposite. Use the additional columns in the table to record your processed data. (6)
June 2021, Unit 6, Q3(b)(ii) (5 marks): The student predicts that the relationship between T and M is given by M T = 2π k where k is the spring constant. Discuss the validity of this prediction. (5)
June 2021, Unit 6, Q3(b)(iii) (3 marks): Determine the value of k. (3) k =
June 2021, Unit 6, Q4(c)(i) (2 marks): Determine the value of n. d = 5.10 cm ± 0.01 cm t = 8.30 mm ± 0.01 mm f = 9.8 cm ± 0.3 cm (2) n =
January 2021, AS Unit 3, Q1(b)(i) (2 marks): Plot the remaining points and add a line of best fit. (2)
January 2021, AS Unit 3, Q1(b)(ii) (1 mark): The student concludes that these results do not show that the acceleration of the glider is directly proportional to the force. Comment on the student’s conclus
January 2021, AS Unit 3, Q5(b) (5 marks): Plot a graph of resistance on the y-axis against temperature on the x-axis. (5)
January 2021, AS Unit 3, Q5(c) (6 marks): The relationship between the temperature T and the resistance R of the copper wire is given by R = αR0T + R0 where R0 is the resistance of the wire at 0 °C and
January 2021, Unit 4, Q19(b) (3 marks): The students repeated the experiment for a large number of oil droplets. The graph shows the number of oil droplets with each measured charge. 20 18 16 14 12 Nu
January 2021, Unit 6, Q1(c) (3 marks): A student determined the time period T for different values of the distance D. She obtained the following results. D / m 0.235 0.335 0.445 T / s 0.78 0.94 1.09
January 2021, Unit 6, Q3(a) (2 marks): Explain why a graph of log r against log A can be used to determine a value for n. (2)
January 2021, Unit 6, Q3(b)(i) (6 marks): Plot a graph of log r against log A on the grid. Use the additional columns in the table to record your processed data. You should not convert the values of r t
January 2021, Unit 6, Q3(b)(ii) (2 marks): Use your graph to determine the value of n. (2) n =
January 2021, Unit 6, Q3(b)(iii) (3 marks): Determine the value of r0 and hence state the mathematical relationship between r and A. (3)
January 2021, Unit 6, Q4(c)(i) (2 marks): Calculate the value of C in cm. x = 25.8 cm ± 0.2 cm (2) C = cm
October 2020, Unit 6, Q3(b)(ii) (2 marks): Explain why plotting a graph of log T against log I would test the validity of this relationship. (2)
October 2020, Unit 6, Q3(c)(i) (6 marks): Plot a graph of log T against log I on the grid opposite. Use the additional columns in the table to record your processed data. (6)
October 2020, Unit 6, Q3(c)(ii) (3 marks): Use your graph to determine a value for n. (3) n =
October 2020, Unit 6, Q3(c)(iii) (4 marks): After plotting the graph, the student modified his prediction. He suggested that the relationship between T and I is T = kI n where k is a constant. Justify thi
October 2020, Unit 6, Q4(b)(i) (2 marks): Calculate the shaded area of the slotted mass in cm2. (2) Shaded area = cm2
October 2020, Unit 6, Q4(c)(i) (2 marks): Calculate the density ρ of the metal in g cm−3. Assume the value of mass is 100 g with negligible uncertainty. (2) ρ = g cm−3
January 2020, AS Unit 1, Q18(b)(i) (3 marks): Determine the cross-sectional area of the sample of wire used. (3) Cross-sectional area =
January 2020, AS Unit 2, Q17(b)(ii) (3 marks): The student adjusted the variable resistor several times and recorded corresponding values from the ammeter and voltmeter. Describe how the values can be used t
January 2020, AS Unit 3, Q2(b) (3 marks): The student marked the position of the water surface on the beaker for different values of m. He plotted a graph of d in cm against m in g. 7 6 5 4 3 2 1 0 0 50
January 2020, AS Unit 3, Q3(c) (4 marks): The relationship between the refractive index n, the angle of incidence θ1 and the angle of refraction θ2 is given by the equation sin θ1 = n sin θ2 Describe a
January 2020, AS Unit 3, Q4(c) (5 marks): Plot a graph of change in gravitational potential energy on the y-axis against mean energy supplied on the x-axis. (5)
January 2020, AS Unit 3, Q4(d) (2 marks): Determine the efficiency of the motor. (2) Efficiency =
June 2019, AS Unit 3, Q1(d)(i) (2 marks): Calculate the mean diameter of the second metal sphere. (2) Mean diameter of the second metal sphere =
June 2019, AS Unit 3, Q2(b) (2 marks): Explain how you would use the graph to determine the stiffness of the spring. (2)
June 2019, AS Unit 3, Q3(c)(ii) (6 marks): Use the results in the table to plot a graph of λ on the y-axis against sin θ on the x-axis on the grid provided. Use the right-hand column of the table for you
June 2019, AS Unit 3, Q3(c)(iii) (3 marks): Determine the gradient of the graph. (3) Gradient =
January 2019, AS Unit 1, Q12(c) (3 marks): Describe how the student can determine a value for g using a graphical method. (3)

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