Two planets P₁ and P₂ with equal mass have radii R₁ and R₂, respectively, where R₂ = $\frac{R_{1}}{2}$ . The escape speeds of P₁ and P₂ are v₁ and v₂, respectively. Then $\frac{v_{2}}{v_{1}}$ is:
A
1
B
$\sqrt{2}$
C
2
D
$\frac{1}{\sqrt{2}}$

Question

Two planets P₁ and P₂ with equal mass have radii R₁ and R₂, respectively, where R₂ = $\frac{R_{1}}{2}$ . The escape speeds of P₁ and P₂ are v₁ and v₂, respectively. Then $\frac{v_{2}}{v_{1}}$ is:

A

1

B

$\sqrt{2}$

C

2

D

$\frac{1}{\sqrt{2}}$

Accepted Answer

$ \sqrt{2} $

Answer

1

Answer

2

Answer

$ \frac{1}{\sqrt{2}} $

RE-NEET 2026 Physics Escape Velocity MCQ Question

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