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The diameters of two planets are in the ...

The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : 2. The acceleration due to gravity on the planets will be in the ratio

A

`1:2`

B

`2:3`

C

`2:1`

D

`4:1`

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TARGET PUBLICATION-Gravitation-Exercise
  1. lf R is the radius of the earth and g the acceleration due to gravity ...

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  2. If the density of the earth is tripled keeping its radius constant, th...

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  3. The diameters of two planets are in the ratio 4 : 1 and their mean den...

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  4. The density of a newly discovered planet is twice that of earth. The a...

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  5. The ratio of acceleration due to gravity at a height 3R above earth's ...

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  6. The value of gravitational acceleration at a height equal to radius of...

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  7. The value of 'g' at a certain height h above the free surface of Earth...

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  8. At any point within the interior of earth, the acceleration due to gra...

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  9. If the earth were assumed to have uniform density and spherical symmet...

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  10. If a body of mass 10 kg is taken to the centre of the earth, its weigh...

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  11. The acceleration due to gravity on the surface of earth varies

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  12. If the earth were to stop rotating, the value of acceleration due to g...

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  13. Considering earth's rotation, the value of g at the earth's surface is

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  14. The acceleration due to gravity at the equatorial plane is

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  15. If earth's satellite is moved from one stable orbit to a farther stabl...

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  16. Energy required to move a body of mass m from an orbit of radius 2R to...

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  17. The gravitational potential energy per unit mass at a point gives at ...

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  18. Dimensional formula of gravitational potential is

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  19. Magnitude of gravitational potential due to a point mass M at a distan...

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  20. If g is acceleration due to gravity on the surface of the Earth and R ...

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