OCR AS Level Physics A H156/01 Breadth in physic JUNE 2022

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AS Level Physics A H156/01 Breadth in physic JUNE 2022 Time allowed: 1 hour 30 minutes INSTRUCTIONS • Use black ink. You can use an HB pencil, but on... ly for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer should be supported with working. Marks might be given for using a correct method, even if your answer is wrong. INFORMATION • The total mark for this paper is 70. • The marks for each question are shown in brackets [ ]. • This document has 28 pages. ADVICE • Read each question carefully before you start your answer. © OCR 2022 [601/4742/8] DC (PQ/SG) 301229/5 OCR is an exempt Charity Turn over SECTION A You should spend a maximum of 25 minutes on this section. Answer all the questions. Write your answer to each question in the box provided. 1 Which of the following could be the wavelength of ultraviolet radiation? A 3 × 10–5 m B 1 × 10–10 m C 4 × 102 m D 2 × 10–7 m Your answer [1] 2 Which term is not used in either of Kirchhoff’s two laws? A charge B current C electromotive force D potential difference Your answer [1] 3 The diagram below shows the refraction of light at the boundary between two transparent materials X and Y. 1.5 20° X n 50° Y The refractive index of material X is 1.5 and the refractive index of material Y is n. Which of the following expressions is correct? A n × sin 70° = 1.5 × sin 50° B n × sin 20° = 1.5 × sin 40° C 1.5 × sin 70° = n × sin 50° D 1.5 × sin 20° = n × sin 40° Your answer [1] 4 A student is carrying out the Young double-slit experiment using visible light. The distance between the slits and the screen is kept constant. The wavelength of light is λ and the separation of the slits is a. The following results are collected by the student. λ / nm a / mm A 450 0.20 B 510 0.15 C 550 0.25 D 610 0.30 Which combination of m and a will give the largest separation between the adjacent bright fringes? Your answer [Show More]

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