Physics > QUESTION PAPER & MARK SCHEME > Pearson Edexcel Level 3 GCE..Physics Advanced Subsidiary PAPER 2: Core Physics II. 100% PROVEN PASSS (All)
All multiple choice questions must be answered with a cross in the box for the correct answer from A to D. If you change your mind about an answer, put a line through the box and then mark your new... answer with a cross . 1 Which of the following best describes the newton as used in physical measurements? A base quantity B base unit C derived quantity D derived unit (Total for Question 1 = 1 mark Questions 2 and 3 refer to the following information. A ray of light, in air, is incident on the edge of a triangular glass prism as shown. The critical angle for a light ray meeting a glass to air boundary is 35°. A D C B 60° 2 Which path, A, B, C or D, will the ray follow? A B C D (Total for Question 2 = 1 mark) 3 Which of the following gives the value of the refractive index of the glass? A sin35 B 1 sin35 C sin−1 1 35 D 1 1 35 sin −1 (Total for Question 3 = 1 mark)4 *P67086A0424* Questions 4 and 5 refer to the following information. The speed v of a transverse wave on a string is given by v = Tμ where µ is the mass per unit length of the string and T is the tension in the string. 4 µ can be calculated from measurements of the mass and length of the string. The percentage uncertainty in the measurement of mass is 0.4%. The percentage uncertainty in the measurement of length is 0.05%. Which of the following is the percentage uncertainty in the calculated value for µ? A 0.4 + 0.05 B 0.4 − 0.05 C 0.4 × 0.05 D 0.4 ÷ 0.05 (Total for Question 4 = 1 mark) 5 A fixed length L of string is connected to a vibration generator and held under tension T as shown. The frequency of the vibration generator is varied until, at a frequency f, a standing wave with one antinode is observed. T is increased and the procedure is repeated. vibration generator L Which of the following describes the variation in f as T increases? A decreases linearly B decreases non-linearly C increases linearly D increases non-linearly [Show More]
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