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Gravitation — Easy JEE physics MCQ

If the radius of Earth becomes half without change in mass, the acceleration due to gravity will become:
  1. A. $g/4$
  2. B. $g/2$
  3. C. $2g$
  4. D. $4g$

Solution

$g = \frac{GM}{R^2}$ If $R' = R/2$: $g' = \frac{GM}{(R/2)^2} = 4g$

PHYSICS

easy • PYQ Reworded
Question
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If the radius of Earth becomes half without change in mass, the acceleration due to gravity will become:
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Gravitation — Easy JEE Physics MCQ | MyGoalPrep