Gravitation - Result Question 18
18. Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is
(a)
(b)
(c)
(d)
[2005]
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Answer:
Correct Answer: 18. (d)
Solution:
- (d) We know that
If the radius of a planet decreases by
