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Gravitation — Medium JEE physics MCQ

**[JEE Mains 2026]** A satellite is orbiting Earth at a height equal to the radius of Earth (R). What is the ratio of its orbital velocity to the escape velocity from Earth's surface?
  1. A. 1/2
  2. B. 1/√2
  3. C. 1/2√2
  4. D. √2

Solution

Orbital velocity at height h: v_o = √(GM/(R+h)) = √(GM/2R). Escape velocity: v_e = √(2GM/R). Ratio: v_o/v_e = √(GM/2R) / √(2GM/R) = √(1/4) = 1/2.

PHYSICS

medium • PYQ Reworded
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[JEE Mains 2026] A satellite is orbiting Earth at a height equal to the radius of Earth (R). What is the ratio of its orbital velocity to the escape velocity from Earth's surface?
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Gravitation — Medium JEE Physics MCQ | MyGoalPrep