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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- There are four light-weight-rod samples A,B,C,D seperately suspended by threads
- Maximum range for a projectile motion is given as R. The maximum height will be
- Activity of a radioactive sample decreases to (1/3)rd of its original value
- If the terminal speed of a sphere of gold (density=19.5 kg/m³) is 0.2 m/s
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
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