Gravitation — Previous-Year Questions
5 curated PYQs across 1 topics, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question has a worked-out explanation.
Orbital Motion & Satellites
Launch satellites into orbit, adjust velocities, and observe Kepler's laws in action with stunning visuals.
Q1. If the radius of Earth is halved keeping mass same, escape velocity becomes:
JEE 2020Q2. The ratio of orbital velocity to escape velocity for a satellite near Earth's surface is:
JEE 2019Q3. A satellite orbits Earth at height R above the surface (R = radius of Earth). Its orbital speed is:
JEE 2021Q4. Two planets have radii r₁ and r₂, densities ρ₁ and ρ₂. Ratio of escape velocities:
JEE 2018Q5. Energy required to move a satellite from orbit of radius 2R to 3R is:
JEE 2017Gravitation previous-year questions on sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs). Free physics practice for Class 11, JEE Mains, JEE Advanced, NEET UG, AP Physics, SAT, and CUET-UG candidates.