QUESTIONS ON SATELLITES
Q1.
The orbital velocity of an artificial satellite in a circular orbit just above the Earth's surface is 'v'. For a satellite orbiting at an altitude of half the earth's radius the orbital velocity is ____.
Q2.
Two satellites P and Q ratio of masses 2:1 are in circular orbits of radii 'r' and '2r' respectively. Then ratio of total mechanical energy of satellite P to Q is ____.
A. 1:4
B. 1:2
C. 4:1
D. 1:1
Q3.
The period of a satellite in a circular orbit around a planet is independent of ____.
A. The mass of the satellite
B. The radius of the planet
C. The mass of the planet
D. All of these
Q4.
Two identical satellites are orbiting at distances 'R' and '7R' respectively from the surface of Earth, R is the radius of Earth. The ratio of their _
A. Kinetic energies is 4
B. Potential energies is 4
C. Total energies is 4
D. All of these
Q5.
The orbital velocity of a body close to Earth's surface is ____.
A. 8 km/s
B. 11.2 km/s
C. 3,00,000 m/s
D. 2,200 m/s
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ANSWERS
Ans1. A
Ans2. C
Ans3. A
Ans4. D
Ans5. A
Satellites (explanation video Lecture) 🙂
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