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Satellite Orbits – 1 – 1

1. Epigee and perigee are the considerations when a satellite is in :

(a) Lower orbit
(b) Geostationary orbit
(c) Circular orbit
(d) Circular orbit

Answer
Answer : (d)

Explanation
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2. A typical signal strength received from a geostationary satellite is if the order of a few :

(a) Pico watts
(b) Micro watts
(c) Milli watts
(d) Watts

Answer
Answer : (a)

Explanation
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3. “The square of the period of revolution to the planet about the sun is proportional to the cubes of their mean distances from the sun” The above statement is based on :

(a) Newtons law
(b) Galileo’s hypothesis
(c) Kepler’s law
(d) None of the above

Answer
Answer : (c)

Explanation
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4. If a satellite is orbiting at a height of h km from the surface of the earth, then its radius of orbit will be :

(a) 2 h
(b) h + 6372 km
(c) h – 6372 km
(d) 6 + 2 x 6372 km

Answer
Answer : (b)

Explanation
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5. For a satellite with time period of 2 hours, the height above the surface must be :

(a) 1000 km
(b) 2000 km
(c) 3000 km
(d) 4000 km

Answer
Answer : (b)

Explanation
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