Variation of acceleration due to gravity ( g ) with distance (r) from center of earth is correctly r

English

Gujarati

Hindi

7.Gravitation

normal

The variation of acceleration due to gravity $ ( g )$ with distance $(r)$ from the center of the earth is correctly represented by ... (Given $R =$ radius of earth)

A

B

C

D

Solution

$g =\frac{ GMr }{ R ^{3}}, r \leq R$

$\quad\quad\frac{ GM }{ r ^{2}}, r \geq R$

Standard 11

Physics

Share

Similar Questions

A spherical planet far out in space has a mass ${M_0}$ and diameter ${D_0}$. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity which is equal to

normal

The kinetic energy needed to project a body of mass $m$ from the earth's surface (radius $R$ ) to infinity is

normal

Two particles of equal mass go round a circle of radius $R$ under the action of their mutual gravitational attraction. The speed of each particle is

normal

If the gravitational potential on the surface of earth is $V_0$, then potential at a point at height half of the radius of earth is ……….

normal

Suppose the earth stopped rotating. Then, the weight a body will

normal