The radii of the circular orbits of two satellites around earth are in the ratio 1:4. The ratio of their periods of revolution is: *

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The radii of the circular orbits of two satellites around earth are in the ratio 1:4. The ratio of their periods of revolution is: *

Sushil Rai 14th Dec, 2020

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Answer (1)

Atrayee Gayen 14th Dec, 2020

Hey aspirant,

According to Kepler's Law of Planetary motion, T^2 is directly proportional to R^3, where T is time period and R radius.

Therefore the ration of the time period is given as :- (T1/T2)^2 =(1/4)^3 = 1/64

So, T1/T2 = 1/8.

Hope this helps,

All the best!

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