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JEE Main 2023 (12 Apr, Shift 1) · Escape Velocity

Escape Velocity question from JEE Main 2023 (12 Apr, Shift 1)

Q27JEE Main 2023 · 12 APR · SHIFT 1Easy

Escape Velocity

The ratio of escape velocity of a planet to the escape velocity of earth will be:-

Given: Mass of the planet is 16 times mass of earth and radius of the planet is 4 times the radius of earth.

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Answer: (d)

  1. ve∝MRv_e \propto \sqrt{\frac{M}{R}}
  2. vpve=164=2\frac{v_p}{v_e} = \sqrt{\frac{16}{4}} = 2
  3. So the answer is (d) 2:12:1.
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