Two masses of 1 gm and of 4 gm are moving with equal linear momenta. The ratio of their kinetic energies is:

Which of the foUowing is not conserved in inelastic collision?

The angle between \(\vec{A}=\hat{i}+\hat{j} \text { and } \vec{B}=\hat{i}-\hat{j} \) is

During projectile motion the quantities that remain unchanged are

Conservation of momentum in a collision between particles can be understood from _______.

The relation between the vectors A and -2A is that,

Which of the following has neither units nor dimensions?

The number of significant figures in the numbers 4.8000 x 10⁴ and 48000.50 are respectively,_____.

Pascal is the unit of _____.

Which of the following is not a physical quantity?

Which of the following is not a vector quantity?

'Parsec' is the unit of _____.

The dimension of Impulse is _______.

Unit of velocity is

Area under velocity time graph is 

A heavy and a light body are dropped from the top of a tower simultaneously. Which will reach  the ground first (Neglect air resistance) 

A bullet strikes against a wooden block and is embeded in it, the nature of collision is:

The numerical ratio of average velocity to average speed is:

A particle moving in a circle with uniform speed. It has constant 

Which of the following is a self adjusting force

A ball thrown vertically up from a point reaches a height H above the ground and returns to the sane point. The displacement of the body is: ______.

The angle between frictional force and the insta  ntaneous velocity of the body moving over a rough surface is _______.

When the force is retards the motion of a body work done is

KE of a body of mass 1 kg is 18 J. Its momentum is

A labourer pushes a wall and fails to displace it he does

Inertia of a body has direct dependence on _______.

When we kick a stone, we get hurt. Due to which one of the following properties of the stone it _______.

A body of mass 2 kg moves with an acceleration 3 ms^-2. The change in momentum in one second is  _______.

The resultant of two like parallel forces \(\bar{A}\) and \(\bar{B}\) is

Out of the following derived quantity is _____.