If an object reaches the speed of light, it s length changes to ______ – McqOptions

MCQOPTIONS

1.	If an object reaches the speed of light, it s length changes to ___________
A.	Infinite
B.	Double of the value
C.	Half of the value
D.	Zero
Answer» E.

Discussion

No Comment Found

Related MCQs

A particle with a lifetime of 2 X 10<sup>-6</sup> s moves through the laboratory with a speed of 0.9 c. It s lifetime, as measured by an observer in the laboratory, is ___________
A rod of length 1m moves with a speed of 0.5 c. How much length contraction takes place?
A cube with sides of proper length l<sub>o</sub> is viewed from a reference frame moving with velocity v, parallel to an edge of the cube. The expression for the volume of the cube for the observer is __________
How fast does a rocket have to move relative to an observer for its length to be contracted to 95% of its original length?
An object of length 1 m is moving at speed 0.5c. To an observer at rest relative to the object, the length of the object seems to be ___________
The length of a rod seems shorter to an observer when it moves in a specific direction. What change would he observe when the direction of rod changes by 180<sup>o</sup>?
A 20-year-old person goes at a high speed in a rocket on his birthday. when he comes back to earth after 1 earth year, he would be ___________
If an object reaches the speed of light, it s length changes to ___________
A rod of length 5 m is moving at a speed of 0.6 c. To an observer sitting perpendicular to the direction of motion, the length appears to be _______________