⚡Chapter Practice
Gravitation — JEE Practice
30 practice questions across 2 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
2 Topics30 Questions
Newton's Law of Gravitation(15 Qs)
easy (5)
medium (5)
Q1Three equal masses m are placed at the vertices of an equilateral triangle of side a. The force on each mass is:Q2The gravitational field inside a uniform solid sphere at distance r from centre (r < R) is:Q3The gravitational field inside a uniform spherical shell is:Q4If the earth stops rotating, the apparent weight at the equator would:Q5Acceleration due to gravity at height h << R from surface is approximately:
hard (5)
Q1A tunnel is drilled through the earth along a chord at distance d from centre. The time period of oscillation of a ball in this tunnel is:Q2The gravitational PE of a system of 4 equal masses m at corners of a square of side a is:Q3Two planets have radii R and 2R, densities ρ and ρ/2. The ratio of g on their surfaces is:Q4The minimum energy needed to move a mass m from Earth surface to infinity is:Q5A satellite orbits at height R above Earth (earth radius R). Its orbital velocity is:
Orbital Mechanics(15 Qs)
easy (5)
medium (5)
Q1Kepler's third law states that T² is proportional to:Q2The total energy of a satellite of mass m orbiting at radius r is:Q3If orbital radius is doubled, the orbital velocity:Q4A satellite in a circular orbit has KE = K. Its PE is:Q5The minimum energy needed to move a satellite from orbit at radius r to orbit at radius 2r is:
hard (5)
Q1A satellite is in a circular orbit of radius r. To transfer to a circular orbit of radius 4r using Hohmann transfer, the velocity increment at first burn is:Q2The maximum height reached by a projectile launched at escape velocity at angle 45° from the surface (ignoring rotation) is:Q3Two satellites of mass m and 2m orbit at same radius. The ratio of their total energies is:Q4A body is projected vertically from Earth with velocity v = v_e/2. The maximum height is:Q5The time period of a satellite at height h from surface in terms of R and g:
More Physics Chapters
Need Help with Gravitation?
Get 1-on-1 doubt sessions and personalised practice analysis with our JEE Physics coaching mentors.