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In which of the following cases the plan...

In which of the following cases the planet will have same value of .g. as that earth
(a)with mass double to that of earth and radius `sqrt2` times that of earth
(b)with mass fourtimes that of earth and radius `sqrt2` times that of earth
(c)with mass one fourth that of the earth and radius half that of earth
(d)with mass twice that of earth and radius 1/3 that of earth

A

a and b only

B

a and c only

C

b and c only

D

b and d only

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-GRAVITATION-Exercise-I
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  3. In which of the following cases the planet will have same value of .g....

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  4. Which of the following is true for a satellite in a circular orbit (...

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  6. With usual notation, the time period of rotation of a satellite orbiti...

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  7. When a planet moves around the sun a) Its angular momentum remains c...

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  8. The magnitudes of the gravitational fields at distances r1 and r2 from...

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  9. Suppose universal gravitational constant starts to decrease, then a)...

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  10. A satellite is revolving round the earth in an elliptical orbit, then ...

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  11. In case of an orbiting satellite, if the radius of orbit is decreased,...

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  12. Let V,T,L,K and r denote the speed, time period, angular momentum, kin...

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  13. Assume that earth is a spherical planet of uniform density rho, radius...

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  14. The acceleration due to gravity on moon is only one sixth that on eart...

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