Question

The distances of two planets from the sun are
10^12 m and 10^10m respectively. The ratio of
the time periods of these planets is (with method pls)

1) 1000:1

2) 100:1

3) 10:1

4) 1:1​

Answer 1

Answer:

fist option

1000.1

Explanation:

I hope help you

Answer 2

Explanation:

Distance of two planets from sun, r1 = 1013m and r2 = 1012m.

Relation between time period (T) and distance of the planet from the sun is T2 ∝ r3  or T ∝ r3/2.                                                        

Therefore T1/T2 = (r1/r2)3/2 = (1013/1012)3/2 = 103/2 = 10√10.

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