RRB GROUP D Physics Quiz - 40

Attempt now to get your rank among 4 students!

Question 1:

When a body falls freely towards the earth, then its total energy-

Decreases

Increases

First increases and then decreases

Remains constant

What is density?

V×M

M×V

V/M

M/V

Which of the following types of light are strongly absorbed by plants?

Violet and orange

Blue and red

Indigo and yellow

Yellow and violet

The unit of the force constant k of spring is-

$ \mathrm{N}-\mathrm{m} $

$\mathrm{N} / \mathrm{m}$

$\mathrm{N}-\mathrm{m}^{2}$

$\mathrm{N} / \mathrm{m}^{2}$

What is the S.I. unit for Luminous Intensity?

Mole

Ampere

Candela

Weber