A planet moves around the sun in elliptical orbit. When earth is closest from the sun, it is at a distance γ having a speed v. When it is at a distance 4γ from the sun its speed is :

A planet moves around the sun in elliptical orbit. When earth is close

1.	A planet moves around the sun in elliptical orbit. When earth is closest from the sun, it is at a distance γ having a speed v. When it is at a distance 4γ from the sun its speed is :
A.	v/4
B.	4v
C.	2v
D.	v/2
Answer» B. 4v

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A planet moves around the sun in elliptical orbit. When earth is closest from the sun, it is at a distance γ having a speed v. When it is at a distance 4γ from the sun its speed is :

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