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11th Tamil Nadu Board
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The time period of a satellite orbiting Earth in a circular orbit is independent of 

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Important Questions on Gravitation

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11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be
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11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of
 
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11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
The gravitational potential energy of the Moon with respect to Earth is
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11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I

The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA, KB, and KC respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then

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11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
The work done by the Sun’s gravitational force on the Earth is 
MEDIUM
11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
EASY
11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
The magnitude of the Sun’s gravitational field as experienced by Earth is
EASY
11th Tamil Nadu Board
IMPORTANT
Physics Standard 11 Vol II>Chapter 6 - Gravitation>EVALUATION>Q I
If a person moves from Chennai to Trichy, his weight