Gravitation 1 Question 1

4. The variation of acceleration due to gravity g with distance d from centre of the Earth is best represented by ( R= Earth’s radius)

(2017 Main) (a)

(c)

(b)

(d)

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Answer:

Correct Answer: 4. (c)

Solution:

  1. Inside the earth surface
g=GMR3r
i.e. gr
Out the earth surface g=Gmr2
i.e. g1r2

So, till earth surface g increases linearly with distance r, shown only in graph (c).



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