Which of the fields are physically impossible and why?
A. This field violates the Ampere-Maxwell law.
B. This field violates Gauss’s law for the magnetic field.
C. The field violates both of the above laws.
D. This field is physically possible.
A. This field violates the Ampere-Maxwell law.
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The lowest possible value for the index of refraction is:
a. 0. c. 0.707. b. 1. d. 3-1/2.
Which of the following is not a fundamental component of the atom?
a. proton b. neutron c. ion d. electron
Mercury orbits the sun about once every 80 days. Mercury is observed to keep the same side facing the sun at all times. If Mercury had oceans, how much time would elapse between its high tides
A. there would be no tides B. 40 days C. 80 days D. 160 days
If Earth's mass decreased to one-half its original mass with no change in radius, your weight would
A) decrease to one-quarter. B) decrease to one-half. C) remain the same. D) none of the above