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The acceleration due to gravity is g at ...

The acceleration due to gravity is `g` at a point distant `r` from the centre of earth of radius `R`. If `r lt R`, then

A

`g prop r`

B

`g prop r^2`

C

`g prop r^(-1)`

D

`g prop r^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`g prop r`
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MTG GUIDE-GRAVITATION-NEET CAFE TOPICWISE PRACTICE QUESTIONS (ACCELERATION DUE TO GRAVITY AND ITS VARIATION WITH ALTITUDE AND DEPTH)
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  2. The height of the point vertically above the earth's surface, at which...

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  3. A uniform solid sphere of radius R produces a gravitational accelerati...

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  4. At what height h above the earth's surface, the value of g becomes g/2...

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  5. The depth d, at which the value of acceleration due to gravity becomes...

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  6. The radii of two planets are respectively R(1) and R(2) and their dens...

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  7. A body weighs 72 N on the surface of the earth. What is the gravitatio...

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  8. At what height the acceleration due to gravity decreases by 36% of its...

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  9. A body of mass 500g is town upwards with a velocity 20 ms^(-1) and rea...

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  10. The earth is a solid sphere of radius 6400 km, the value of accelerati...

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  11. If gE and gM are the acceleration due to gravity on the surfaces of th...

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  12. If ge, gh and gd be the acceleration due to gravity at earth’s surfac...

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  13. The ratio of radii of earth to another planet is 2//3 and the ratio of...

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  14. The weight of an object in the coal mine, sea level and at the top of ...

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  15. Mass remaining constant, the radius of the earth shrinks by 1%. The ac...

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  16. Compare the weight of a body 100 km above and 100 km below the surface...

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  17. Imagine a new planet having the same density as that of earth but 3 ti...

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  18. A research satellite of mass 200 kg circles the earth in an orbit of a...

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  19. If g is the acceleration due to gravity and R is the radius of earth, ...

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