According to the special theory of relativity, which of the following happens to the length of an object, measured in the dimension parallel to the motion of its inertial frame of reference, as the velocity of this frame increases with respect to a stationary observer?
A) the length remains constant
B) the length vanishes to zero when velocity equals half the speed of light
C) the length increases
D) the length decreases

Question

Quizplus · Accepted Answer

According to the special theory of relativity, as the velocity of an object increases relative to a stationary observer, the length of the object in the direction of motion appears to contract, a phenomenon known as length contraction.

According to the Special Theory of Relativity, Which of the Following