For 3 statements below, select the best answer from the four alternatives. The Michelson–Morley experiment (a) proved that the theory of special relativity is correct. (b) proved the existence of the ether. (c) proved that the theory of special relativity is incorrect. (d) is consistent with the postulate that the speed of light is independent of the speed of the light’s source. Length contraction is not observed in ordinary daily life because (a) People do not walk around with rulers handy. (b) speeds in daily life are not high enough. (c) A vacuum is needed to observe the effect. (d) this is false; length contraction is observed in daily life. An inertial reference frame (a) is a coordinate system. (b) is a reference frame that moves in a circle at a constant speed. (c) is a reference frame in which Newton’s first law of motion is valid. (d) does not exist.
Physics - Thoery of Relativity
For 3 statements below, select the best answer from the four alternatives.
The Michelson–Morley experiment
(a) proved that the theory of
(b) proved the existence of the ether.
(c) proved that the theory of special relativity is incorrect.
(d) is consistent with the postulate that the
light’s source.
Length contraction is not observed in ordinary daily life because
(a) People do not walk around with rulers handy.
(b) speeds in daily life are not high enough.
(c) A vacuum is needed to observe the effect.
(d) this is false; length contraction is observed in daily life.
An inertial reference frame
(a) is a coordinate system.
(b) is a reference frame that moves in a circle at a constant speed.
(c) is a reference frame in which Newton’s first law of motion is valid.
(d) does not exist.
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