| ⇦ | 
| ⇨ |
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: - What is the time taken by moon light to reach earth?
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- In old age arteries carrying blood in the human body become narrow resulting
- Which of the following physical quantities has neither dimensions nor unit
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the time taken by moon light to reach earth?
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- In old age arteries carrying blood in the human body become narrow resulting
- Which of the following physical quantities has neither dimensions nor unit
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply