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Gravitation (Class 11)
Kepler's laws, escape velocity, gravitational potential, satellites.
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Take a full mock →Q1 · Gravitation (Class 11) · MEDIUM
The escape velocity from Earth's surface is approximately:
Q2 · Gravitation (Class 11) · HARD
If the Earth suddenly contracts to half its present radius without change in mass, the duration of a day will become:
Q3 · Gravitation (Class 11) · EASY
The value of acceleration due to gravity at a height equal to the radius of Earth is: (g = acceleration at surface)
Q4 · Gravitation (Class 11) · MEDIUM
The orbital velocity of a satellite close to the Earth's surface is approximately: (g = 10 m/s², R = 6400 km)