Question

An object of mass m is moving up and down with respect to surface of Earth, then the mass of the object
a) reduces when we move to a height h above the Earth surface
b) reduces when we move to a depth h below the Earth surface
c) remains unchanged
d) becomes zero in vacuum
The correct option is/are
(1) (a) and (b)
(2) (a), (b) and (c)
(3) Only (d)
(4) Only(c)

Answer 1

i thing 3 only c is the correct answer

Answer 2

Answer:

Dimensional Formula of Resistance

The dimensional formula of resistance is given by,

M1 L2 T-3 I-2