List of top Physics Questions on Gravitation asked in COMEDK UGET

The gravitational field strength at the surface of a certain planet is $g$. Which of the following is the gravitational field strength at the surface of a planet with twice the radius and twice the mass?

A stone weighs $100\, N$ on the surface of the Earth. The ratio of its weight at a height of half the radius of the Earth to a depth of half the radius of the earth will be approximately

The value of $g$ at a height equal to half the radius of the earth from the earth's surface is

Abody of mass m is raised through a distance equal to the radius of the earth, (R), from the earth surface. Increase in potential energy is

Weight of a body

If the Earth shrinks in its size (radius) mass remaining the same, the value of g on its surface will

If the Earth shrinks in its radius by 4%, mass remaining the same, the value of 'g' on its surface

Escape velocity from Earth is about 11 km/s. The escape velocity from a planet, 4 times the size of the Earth with same mean density is

Escape velocity for 'a projectile at Earth's surface is v,. A body is projected from earth's surface with velocity $2v_e$. The velocity of the body when it is at infinite distance from the centre of the Earth is

A particle is projected with a velocity so that height attained becomes equal to the radius of the earth. Then the velocity is

Among the following find the wrong Statement

Law of gravitation is not applicable if A) Velocity of moving objects are comparable to velocity of light B) Gravitational field between objects whose masses are greater than the mass of sun.

The time period of an artificial satellite in a circular orbit is independent of

The time period of a simple pendulum at the centre of the earth is

A relay satellite transmits the television programme from one part of the world to another part continuously because its period

Radio activity decay exist due to

Two equal masses separated by a distance d attract each other with a force (F). If one unit of mass is transferred from one of them to the Other, the force

Which of the following is the evidence to show that there must be a force acting on earth and directed towards Sun?

Intensity of gravitational field inside the hollow spherical shell is

Neutron changing into Proton by emiting electron and anti neutrino this due to