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A body revolved around the sun 27 times faster than the earth. What is the ratio of their radii?
Options
(a) 1 / 3
(b) 1 / 9
(c) 1 / 27
(d) 1 / 4
Correct Answer:
1 / 9
Explanation:
Using Kepler’s 3rd law
T^2=R^3
(1/27)^2/3=R1/R2
R1/R2=(1/3)^2=1/9.
Related Questions: - Which of the following is an example of ideal black body?
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is an example of ideal black body?
- A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
- A point performs simple harmonic oscillation of period T and the equation of motion
- Magnetic induction produced at the centre of a circular loop carrying current is B.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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