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Gravitation — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsGravitation1 Mark
MCQ
A planet has twice the density of earth but the acceleration due to gravity on its surface is exactly the same as on the surface of earth. It radius in terms of radius of earth $R$ will be:
  • A
    $\frac{\text{R}}{4}$
  • ✓
    $\frac{\text{R}}{2}$
  • C
    $\frac{\text{R}}{3}$
  • D
    $\frac{\text{R}}{8}$
✓

Answer

Correct option: B.
$\frac{\text{R}}{2}$

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