Physics · JEE

Escape velocity, motion of a satellite, orbital velocity, time period and energy of satellite Mock Test for JEE

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Syllabus context

Part of Gravitation in JEE Main Physics.

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Q1PhysicsUnit 6: Gravitation

When a satellite falls to an orbit of smaller radius its kinetic energy:

Q2PhysicsUnit 6: Gravitation

Assertion For a very near to the earth's surface the time period of revolution is given by

1 h

24 m i n

Reason The period of revolution of a satellite depends only upon its height above the earth's surface

Q3PhysicsUnit 6: Gravitation

Two satellites are revolving around the earth in circular orbits of same radii. Mass of one satellite is 100 times that of the other. Then their periods of revolution are in the ratio:

Q4PhysicsUnit 6: Gravitation

Two satellites of the same mass are launched in the same orbit around the earth so as to rotate opposite to each other. If they collide inelastically and stick together as wreckage, the total energy of the system just after collision is

Q5PhysicsUnit 6: Gravitation

The ratio of the radii of two planets

r_{1}

and

r_{2}

k .

The ratio of acceleration due to gravity on them is

r .

Then the ratio of the escape velocities from them, will be:

Q6PhysicsUnit 6: Gravitation

The first satellite to put into space by India is:

Q7PhysicsUnit 6: Gravitation

If a body is sent with a velocity of

\mathrm{km} \mathrm{sec}^{-1}

, it would leave the earth forever.

Q8PhysicsUnit 6: Gravitation

The time period of an earth satellite in circular orbit is independent of:

Q9PhysicsUnit 6: Gravitation

Escape velocity from earth is 11.2km/sec. Another planet of same mass has radius

\frac{1}{4}

times that of earth. What is the escape velocity from this planet?

Q10PhysicsUnit 6: Gravitation

A ball is dropped from a satellite revolving around the earth at height of 120km. The ball will

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