An object may have :-

An object may appear to be moving to one person and the same object may appear to be at rest to another person. This statement is

An object may be regarded to be rest or in motion depending on the frame of reference chosen to view the object. Because of length contraction it would mean that the same rod may have two dfferent lenghts depending on the state of the observe. Is this true ?

In an experiment the height of a small object is measured by a Vernier Calliper having least count 0.01 cm is found to be 7.38 cm, then the actual height of object may be :-

In an experiment the height of a small object is measured by a Vernier Calliper having least count 0.01 cm is found to be 7.38 cm, then the actual height of object may be :-

Assertion : An object may fall with a constant velocity. Reason : This happens when acceleration of the object is equal to acceleration due to gravity.

Then A may have :