JEE Main 2022 · 29 Jun · Shift 2 · Physics Q40

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PhysicsSingle correct+4 / -1Question 40 of 90

The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satellite will be

40 hours

36 hours

30 hours

25 hours

Answer and worked solution

Official answer: B

Kepler. $T'=7\times3^{3/2}\approx36.4$ hours.

(B)

Topics:Kepler's laws

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JEE Main 2022 · 29 Jun · Shift 2, Physics question 40