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Class 11 Physics — Chapter 8: Gravitation
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Physics, Chapter 8 (Gravitation). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Newton's law of gravitation: F =
A.Gm₁m₂/r²✓ correct
B.Gm₁m₂/r
C.Gm₁m₂r
D.G/(m₁m₂r²)
Why
Inverse-square law.
Q2Medium
Escape velocity from Earth's surface (approx):
A.11.2 km/s✓ correct
B.7.9 km/s
C.3 km/s
D.30 km/s
Why
v_e = √(2gR) ≈ 11.2 km/s.
Q3Hard
Kepler's third law: T² ∝
A.r³✓ correct
B.r²
C.r
D.1/r
Why
T² ∝ a³ (semi-major axis).
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