AQA GCSE PHYSICS 8463/1H Paper 1 Higher Tier Mark scheme June 2021

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GCSE PHYSICS 8463/1H Paper 1 Higher Tier Mark scheme June 2021 Question 1 Question Answers Extra information Mark AO / Spec. Ref. 01.1 the polarity (of the supply) does not change allow pot... ential difference in one direction (only) 1 4AO1 .2.3.1 01.2 energy transferred = power × time 1 AO1 4.1.1.4 4.2.4.2 01.3 162 000 000 = 7200 × t t = 162 000 000 7200 t = 22 500 (s) 1 1 1 AO2 4.1.1.4 4.2.4.2 01.4 V = I × R 1 AO1 4.2.1.3 01.5 480 = 15 × R R = 480 15 R = 32 (Ω) 1 1 1 AO2 4.2.1.3 01.6 time taken using system A is double the time of system B 1 AO3 4.2.4.1 Total 10MARK SCHEME – GCSE PHYSICS – 8463/1H – JUNE 2021 8 Question 2 Question Answers Extra information Mark AO / Spec. Ref. 02.1 nuclei decreases do not accept atoms 1 1 AO1 4.4.4.2 02.2 m = 0.004 (kg) E = 0.004 × 5200 × 50 000 000 E = 1.04 × 109 (J) or E = 1 040 000 000 (J) allow a correct substitution of an incorrectly/not converted value of m allow a correct calculation using an incorrectly/not converted value of m 1 1 1 AO2 4.3.2.2 4.1.1.3 02.3 any two from: • to make sure the fusion process is possible • to develop an understanding of the process • to make adaptations to the process • to assess the efficiency of the process • to make predictions • assess safety risks • to assess environmental impact • set-up cost is lower (for small scale experiments) [Show More]

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