Home
Class 12
PHYSICS
If the gravitational acceleration at sur...

If the gravitational acceleration at surface of earth is g, then increase in potential energy in lifting an object mass m to a height equal to the radius R of earth will be-

Text Solution

Verified by Experts

The correct Answer is:
`1/2 mgR`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If g is the acceleration due to gravity on earth's surface, the gain of the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth is

Gravitational acceleration increases at depth d from surface of Earth.

Knowledge Check

  • If the gravitational potential at the earth's surface is de What is the gravitational potential at a height from earth's surface equal to its radius?

    A
    `phi_e/2`
    B
    `phi_e`
    C
    `phi_e/4`
    D
    `phi_e/3`

  • The gravitational potential energy of a body of mass m at the earth's surface is mgR_e . Its gravitational potential energy at a height R_e from the earth's surface will be ..... (Here R_e is the radius of earth)

    A
    `-2 mg R_e`
    B
    `2 mg R_e`
    C
    `1/2 mg R_e`
    D
    `-1/2 mg R_e`

    • Similar Questions

    Explore conceptually related problems

    Write the change in gravitational potential energy of a body lifted at height h from the surface of earth ?

    A body weighs 63 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth ?

    A body weighs W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth, will be

    If the magnitude acceleration of gravity on the surface of earth is g, then at height from the surface equal to the radius of earth what will be the magnitude of g?

    Write the expression of gravitational potential energy and gravitational potential at the surface of earth .

    Gravitational potential of a body of mass mon the surface of earth is phi , then what is gravitational potential of body of mass 2m ?

    Home
    Profile