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The value of g decreases inside the surf...

The value of g decreases inside the surface of Earth because

A

A force of upward attraction is applied by the shell of Earth above

B

The shell of Earth above exerts no net force

C

The distance from the centre of the Earth decreases

D

The density of the material at the centre of the Earth is very small

Text Solution

Verified by Experts

The correct Answer is:
C
`g.=g(1-d/R)`
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Knowledge Check

  • lf change in the value of g at a depth d below the surface of the earth is equal to that on the surface of the earth at latitude of angle phi , then,

    A
    `phi=cos^(-1)[sqrt((Romega)/(gd))]`
    B
    `phi=cos^(-1)[sqrtd/(R^2omega^2)]`
    C
    `phi=cos^(-1)[(gd)/(Romega)]`
    D
    `phi=cos^(-1)[sqrt(gd)/(Romega)]`

  • The Value of g on the surface of earth is smallest at the equator because

    A
    The centripetal force maximum at equator
    B
    The centripetal force is least at equator
    C
    The centrifugal force is maximum at equator
    D
    The angular speed of earth is least at equator

  • Consider the following statements. Value of g decreases linearly with distance under surface of the earth. Value of g decreases linearly with distance above the surface of the earth. Choose the correct option.

    A
    Only I
    B
    Only II
    C
    I and II
    D
    None of the above