HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions

If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'

The magnitude of the Sun’s gravitational field as experienced by Earth is

An object of mass 10 kg is hanging on a spring scale which is attached to the roof of a lift. If the lift is in free fall, the reading in the spring scale is ___________.

State conservation of angular momentum.

Will the angular momentum of a planet be conserved? Justify your answer.

Define the gravitational field.

Write unit of the gravitational field.

What is meant by the superposition of the gravitational field?

Define gravitational potential energy.

Is potential energy the property of a single object? Justify.

Define gravitational potential.

What is the difference between gravitational potential and gravitational potential energy?

Derive the expression for gravitational potential energy.

A particle of mass 5 units is moving with a uniform speed of v = `3sqrt 2` units in the XOY plane along the line y = x + 4. Find the magnitude of angular momentum

Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.

The work done by Sun on Earth in one year will be

The work done by Sun on Earth at any finite interval of time is

If a comet suddenly hits the Moon and imparts energy which is more than the total energy of the Moon, what will happen?

If the Earth’s pull on the Moon suddenly disappears, what will happen to the Moon?

Two bodies of masses m and 4m are placed at a distance of r. Calculate the gravitational potential at a point on the line joining them where the gravitational field is zero.