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The radius of orbit of a planet is two times that of the earth. The time period of planet is
Options
(a) 4.2 year
(b) 2.8 year
(c) 5.6 year
(d) 8.4 year
Correct Answer:
2.8 year
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- Find the maximum velocity with which a train can be moved on a circular track
- A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
- The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index
- For a cubic crystal structure which one of the following relations
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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By keplers third law (T1^2/T2^2)=(R1^3/R2^3)
so,
x^2/1^2=(2r)^3/r^3
x^2=8
x=2.8