MCQ
The ratio of gravitational acceleration at height $3R$ to that at height $4R$ from the surface of the earth is : (where $R$ is the radius of the earth)
- A$9/16$
- ✓$25/16$
- C$16/25$
- D$16/9$
✓
Answer
Correct option: B.
$25/16$
b
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