engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Relativity The Relativity of Length
A metre stick move along its length with a certain speed. The apparent length of the moving metre stick as measured by a stationary observer on the ground is found to be 98 cm. Then, the velocity of the meter stick in terms of the speed of light in vacuum c will be:
1
0.17 c
2
0.19 c
3
0.98 c
4
0.14 c