| ⇦ | 
| ⇨ |
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: - A wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- If a carnot engine is working with source temperature at 227⁰C and sink
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- Which of the following will be σ if Y=2.4 η?
- When two small bubbles join to form a bigger one, energy is
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- If a carnot engine is working with source temperature at 227⁰C and sink
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- Which of the following will be σ if Y=2.4 η?
- When two small bubbles join to form a bigger one, energy is
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