1988 Physics B - Multiple-Choice

# The area enclosed by the loop is 02 square meter the

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The area enclosed by the loop is 0.2 square meter. The loop is then turned through an angle of 90° so that the plane of the loop is parallel to the field lines. The turn takes 0.1 second. The average emf induced in the loop during the turn is (A) 1.0 x 10 -4 V (B) 2.5 x 10 -3 V (C) 0.01 V (D) 100 V (E) 400 V 22. James Joule did much to establish the value of the (A) universal gravitational constant (B) speed of light (C) mechanical equivalent of heat (D) charge of an electron (E) specific heat capacity of helium 23. An ideal gas in a closed container initially has volume V, pressure P. and Kelvin temperature T. If the temperature is changed to 3T, which of the following pairs of pressure and volume values is possible? (A) 3P and V (B) P and V (C) P and V/3 (D) P/3 and V (E) 3P and 3V 24. If three identical samples of an ideal gas are taken from initial state I to final state F along the paths IAF, IF, and IBF as shown in the pV-diagram above, which of the following must be true? (A) The work done by the gas is the same for all three paths. (B) The heat absorbed by the gas is the same for all three paths. (C) The change in internal energy of the gas is the same for all three paths. (D) The expansion along path IF is adiabatic. (E) The expansion along path IF is isothermal. 1988 AP Physics Multiple choice test Copyright © 1988 by College Entrance Examination Board. All rights reserved. College Board, Advanced Placement Program, AP, SAT, and the acorn logo are registered trademarks of the College Entrance Examination Board. 25. If the average kinetic energy of the molecules in an ideal gas at a temperature of 300 K is E, the average kinetic energy at a temperature of 600 K is (A) E 2 (B) E (C) 2 E (D) 2E (E) 4E 26. A metal rod of length L and cross-sectional area A connects two thermal reservoirs of temperatures T 1 and T 2 . The amount of heat transferred through the rod per unit time is directly proportional to (A) A and L (B) A and 1/L (C) 1/A and L (D) 1/A and 1/L (E) A and L 2 27. Which of the following is true of a single-slit diffraction pattern? (A) It has equally spaced fringes of equal intensity. (B) It has a relatively strong central maximum. (C) It can be produced only if the slit width is less than one wavelength. (D) It can be produced only if the slit width is exactly one wavelength. (E) It can be produced only if the slit width is an integral number of wavelengths. 28. Two wave pulses. each of wavelength i., are traveling toward each other along a rope as shown above. When both pulses are in the region between points X and Y. which are a distance i. apart. the shape of the rope 29. Which of the following CANNOT be accomplished by a single converging lens with spherical surfaces? (A) Converting a spherical wave front into a plane wave front (B) Converting a plane wave front into a spherical wave front (C) Forming a virtual image of a real object (D) Forming a real upright image of a real upright object (E) Forming a real inverted image of a real upright object 30.

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• Spring '10
• Wei
• Physics, Acceleration, Force, Magnetic Field, College Entrance Examination Board, college entrance examination, Entrance Examination Board

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