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Gravitation (Class 11)
Kepler's laws, escape velocity, satellites, gravitational potential.
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Take a full mock →Q1 · Gravitation (Class 11) · MEDIUM
At what height above Earth's surface will the acceleration due to gravity be 25% of its value at the surface? (R = radius of Earth)
Q2 · Gravitation (Class 11) · MEDIUM
The time period of a satellite orbiting close to Earth's surface is approximately: (Take R = 6400 km, g = 10 m/s²)
Q3 · Gravitation (Class 11) · EASY
The acceleration due to gravity on the surface of Earth is approximately:
Q4 · Gravitation (Class 11) · HARD
The escape velocity from Earth's surface is approximately 11.2 km/s. What would be the escape velocity from a planet having twice the mass and twice the radius of Earth?