EASY
11th Maharashtra Board
IMPORTANT
Earn 100

What do you mean by gravitational constant. State its SI units?

Important Questions on Gravitation

MEDIUM
11th Maharashtra Board
IMPORTANT
Why is a minimum two stage rocket necessary for launching of a satellite?
MEDIUM
11th Maharashtra Board
IMPORTANT
State the conditions for various possible orbits of satellite depending upon the horizontal speed of projection.
MEDIUM
11th Maharashtra Board
IMPORTANT
Derive an expression for critical velocity of a satellite.
HARD
11th Maharashtra Board
IMPORTANT
State any four applications of a communication satellite
MEDIUM
11th Maharashtra Board
IMPORTANT
Show that acceleration due to gravity at height h above the earth surface is gh=g(RR+h)2
EASY
11th Maharashtra Board
IMPORTANT
Draw a well labelled diagram to show different trajectories depending upon the tangential projection speed.
HARD
11th Maharashtra Board
IMPORTANT
Derive an expression for binding energy of a body at rest on the Earth's surface of a satellite.
MEDIUM
11th Maharashtra Board
IMPORTANT
Why an astronaut in a orbiting satellite have a feeling of weightlessness.