How many MCQ questions are available for Gravitation?

There are 58 MCQ questions available for Gravitation (Class 11 Physics) — 24 easy, 22 medium, and 12 hard.

Gravitation

Q: What topics are covered in Gravitation?

Key concepts covered: Acceleration due to Gravity, Escape Velocity, Geostationary Satellites, Gravitational Constant G, Gravitational Potential Energy, Kepler's Laws, Newton's Law of Universal Gravitation, Orbital Velocity, Satellites, Variation of g, Weightlessness.

Class 11 · Physics

58 questions24 easy22 medium12 hard

Sample Questions

Q1.A body weighs 72 N on Earth. Its weight at height R_E/2 above Earth is (g = 10 m/s^2):

A32 N
B36 N
C48 N
D18 N

Q2.If the Earth suddenly contracted to half its present radius (same mass), g on the new surface would be:

Asame
Btwice
Cfour times
Deight times

Q3.The gravitational PE of a body of mass m at the surface of Earth is U_s = -GMm/R. The minimum energy to escape is:

A-GMm/R
BGMm/R
CGMm/(2R)
D2GMm/R

Q4.The ratio of escape velocity to orbital velocity for a satellite on the surface of a planet is:

A1
Bsqrt(2)
C2
D1/sqrt(2)

Q5.The value of g at height h above the Earth's surface (h << R_E) is approximately:

Ag_0 (1 + 2h/R_E)
Bg_0 (1 - 2h/R_E)
Cg_0 (1 - h/R_E)
Dg_0 / (1 + h/R_E)

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

Acceleration due to GravityEscape VelocityGeostationary SatellitesGravitational Constant GGravitational Potential EnergyKepler's LawsNewton's Law of Universal GravitationOrbital VelocitySatellitesVariation of gWeightlessness

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