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Class XI Physics Gravitation 3

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Question 1

A planet moving around the sun sweeps area A₁ in 2 days, A₂ in 3 days and A₃ in 6 days.
Then the relation between A₁, A₂ and A₃ is
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Question 2

According to Kepler's law, the square of time period is

Question 3

Match the Following Column A with Column B:

Question 4

For the given shell of mass ‘M’, find gravitational field intensity just at a point where a small part of the shell is removed

Question 5

If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is-

Question 6

The magnitude of the gravitational field at distances r₁ and r₂ from the centre of a uniform sphere of radius R and mass M are F₁ and F₂ respectively. Then-

Question 7

If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of object of mass m raised from the surface of the earth to a height equal to the radius R of the earth is

Question 8

Two bodies of masses m and 4 m are placed at a distance r. The gravitational potential at a point on the line joining them where the gravitational field is zero is

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Jun 9JEE & BITSAT