本题目来源于试卷: Gauss Law and Metal in Eclectic Equilibrium,类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.35: There are several statements p/0zyuc3ehddebpr6k- yod12 : resented below that 1 a1n ourtxr63attempt to describe physical phenomena. Which one ofr1r3tao6u xn1 the following statements is correct?
A. The coefficient of friction is a value always less than or equal to one, but greater than or equal to zero.
B. For horizontal surfaces, the normal force acting on an object always cancels the gravitational force.
C. An ideal gas’s temperature must change if both work is done and energy is exchanged as heat with it.
D. Increasing the spacing between slits in the Young’s double slit experiment results in an increase in the spacing between the dark regions on a distant viewing screen.
E. In electrostatic equilibrium, an electric field is perpendicular to the surface of a charged conductor
参考答案: E
本题详细解析:
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