The observed slowing of a clock in the vicinity of a black hole is a prediction of:
A) the Roche Limit.
B) Special relativity.
C) General relativity.
D) Stellar nucleosynthesis.
E) the Cosmological Principle.
C
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You can build an interferometer yourself if you use the following components:
A) a light source, a detector screen, a flat mirror, and a glass plate. B) a light source, a detector screen, two partially silvered mirrors, and a glass plate. C) a light source, a detector screen, two partially silvered mirrors, a flat mirror, and a glass plate. D) a light source, a detector screen, a partially silvered mirror, a flat mirror, and a glass plate. E) a light source, a detector screen, a partially silvered mirror, two flat mirrors, and a glass plate.
Which of the following statements is not true of the strong nuclear force?
A) The nuclear force has a short range, of the order of nuclear dimensions. B) For two protons that are very close together, the nuclear force and the electric force have about the same magnitudes. C) The nuclear force does not depend on charge. D) A nucleon in a large nucleus interacts via the nuclear force only with nearby nucleons, not with ones far away in the nucleus. E) The nuclear force affects both neutrons and protons.
The number of cycles of a periodic process that occur per unit time is called
a. amplitude b. frequency c. period d. wavelength e. speed
Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?
a. It is at a maximum. c. It is downwards. b. It is upwards. d. It is zero.