SATHEE: Gravitation Question 54

Gravitation Question 54

Question: The acceleration due to gravity is g at a point distant r from the centre of earth of radius R. If $[r < R]$ , then [CPMT 2002]

Options:

A) $[g \propto r]$

B) $[g \propto r^{2}]$

C) $[g \propto r^{- 1}]$

D) $[g \propto r^{- 2}]$

Show Answer

Answer:

Correct Answer: A

Solution:

Inside the earth $[g^{'} = \frac{4}{3} π ρ G r]$

$[g^{'} \propto r]$

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Gravitation Question 54

Question: The acceleration due to gravity is g at a point distant r from the centre of earth of radius R. If [r<R] , then [CPMT 2002]

Options:

Answer:

Solution:

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Question: The acceleration due to gravity is g at a point distant r from the centre of earth of radius R. If $[r < R]$ , then [CPMT 2002]