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Gravitation Fundamentals
JEE Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
The gravitational force between two masses is proportional to:
- A. Sum of masses
- B. Product of masses
- C. Difference of masses
- D. Ratio of masses
Q2
The escape velocity from Earth's surface is approximately:
- A. 7.9 km/s
- B. 11.2 km/s
- C. 15.4 km/s
- D. 3.2 km/s
Q3
The orbital velocity of a satellite near Earth's surface is:
- A. 11.2 km/s
- B. 7.9 km/s
- C. 5.6 km/s
- D. 3.1 km/s
Q4
According to Kepler's third law, the square of the time period of a planet is proportional to:
- A. Square of semi-major axis
- B. Cube of semi-major axis
- C. Semi-major axis
- D. Fourth power of semi-major axis
Q5
The value of acceleration due to gravity at a height equal to Earth's radius is:
- A. g/2
- B. g/4
- C. g/3
- D. g/8
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