Home
Class 11
PHYSICS
A body of mass m is lifted from the surf...

A body of mass `m` is lifted from the surface of earth of height equal to `R//3` where `R` is the radius of earth, potential energy of the body increases by

A

`mgR//3`

B

`mgR//4`

C

`2mgR//3`

D

`mgR//9`

Text Solution

Verified by Experts

The correct Answer is:
B

`DeltaGPE=(mgh)/(1+h/R)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL-II (H.W)|32 Videos
  • GRAVITATION

    NARAYNA|Exercise LEVEL-V|54 Videos
  • GRAVITATION

    NARAYNA|Exercise NCERT BASED QUESTIONS|26 Videos
  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos
  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

A body of mass m is taken from the earth's surface to the height equal to twice the radius (R) of the earth.The change in potential energy of body will be

A body of mass m is raised to a height 10 R from the surface of the earth, where R is the radius of the earth. Find the increase in potential energy. (G = universal constant of gravitational, M = mass of the earth and g= acceleration due to gravity)

Knowledge Check

  • A body of mass m is lifted up from the surface of earth to a height three times the radius of the earth R . The change in potential energy of the body is

    A
    `3 mg R`
    B
    `(5)/(4) mgR`
    C
    `(3)/(4) mgR`
    D
    `2mgR`
  • A body of mass m is lifted up from the surface of earth to a height three times the radius of the earth . The change in potential energy of the body is (g - gravity field at the surface of the earth )

    A
    `mgR`
    B
    `(3)/(4) mgR`
    C
    `(1)/(3) mgR`
    D
    `(2)/(3) mgR`
  • A body of mass m taken from the earth's surface to the height equal to the twice the earth radius R of the earth . The change in potential energy of the body will be

    A
    `2mgR`
    B
    `(2)/(3) m g R`
    C
    `3 mg R`
    D
    `(mgR)/(3)`
  • Similar Questions

    Explore conceptually related problems

    The acceleration due to gravity on the surface of the earth is g. If a body of mass m is raised from the surface of the earth to a height equal to the radius R of the earth, then the gain in its potential energy is given by

    At the surface of earth, the acceleration due to gravity is g. If an object of mass m is raised from the surface of earth to a height equal to radius of earth (R ). The potential energy gained by the object is

    A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

    A body of mass m taken form the earth's surface to the height is equal to twice the radius (R) of the earth. The change in potential energy of body will be

    When a body id lifted from surface of earth height equal to radius of earth, then the change in its potential energy is