⇦ | ⇨ |
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: - If a charge on the body is 1nC, then how many electrons are present on the body?
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- Which one of the following statement is FALSE ?
- A pure semiconductor behaves slightly as a conductor at
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a charge on the body is 1nC, then how many electrons are present on the body?
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- Which one of the following statement is FALSE ?
- A pure semiconductor behaves slightly as a conductor at
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