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QAIPM-2012-Ph-1742: NEET 2012 Physics - Class 11 AIPM-2012-Ph-1742 Solution: A geostationary satellite is orbiting the earth at a height of…
A geostationary satellite is orbiting the earth at a height of 5R above the surface of the earth, R being the radius of the earth. The time period of another satellite in hours at a height of 2R from the surface of the earth is
Multiple Choice Options
- A 5
- B 10
- C
- D
Step-by-Step Verified Solution
According to Kelpner�s law of period T 2 _ R 3
T 1 2 T 2 2 = R 1 3 R 2 3 = ( 6 R ) 3 ( 3 R ) 3 = 8
24 _ 24 T 2 2 = 8
T 2 2 = 24 _ 24 8 = 72 = 36 _ 2
_ T 2 = 6 2