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Physics-Escape Velocity

NEET Physics Escape Velocity MCQ Question

Type: MCQ-numerical-Easy-Class 11

What is the minimum speed required for an object to escape from Earth's gravitational field when launched from its surface?

A

11.2 km/s

B

9.8 m/s

C

7.9 km/s

D

12.5 km/s

Correct Answer

Option A

Detailed Explanation

Using the relation V_i = sqrt(2gR_E), the escape velocity from Earth's surface is calculated as approximately 11.2 km/s, as indicated in the NCERT text.

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