Here are some NEET Exam physics questions related to gravitation:

**Question**: Two objects of masses $m_{1}$ and $m_{2}$ are separated by a distance $r$. If the force of attraction between them is $F$, what will be the force of attraction if the distance between them is doubled?- A) $F/2$
- B) $F/4$
- C) $F/8$
- D) $F/16$

**Question**: The gravitational force between two masses is 36 N. If the distance between them is doubled, what will be the new force of attraction?- A) 9 N
- B) 18 N
- C) 72 N
- D) 144 N

**Question**: The radius of the Earth is $R$ and its mass is $M$. What will be the weight of an object of mass $m$ at a height equal to half the radius of the Earth from its surface?- A) $RMm $
- B) $RMm $
- C) $RMm $
- D) $RMm $

**Question**: What is the value of acceleration due to gravity at a height equal to twice the radius of the Earth from its surface?- A) $4g $
- B) $2g $
- C) $8g $
- D) $2g$

**Question**: Two bodies of masses $m_{1}$ and $m_{2}$ are 4 times and 9 times the radius of the Earth away from its surface, respectively. What is the ratio of the gravitational forces experienced by them?- A) $21 $
- B) $32 $
- C) $94 $
- D) $31 $

**Question**: If the mass of a planet is doubled and its radius is halved, what will be the change in the acceleration due to gravity on its surface?- A) Acceleration due to gravity will be halved
- B) Acceleration due to gravity will be doubled
- C) Acceleration due to gravity will remain the same
- D) There will be insufficient data to determine the change