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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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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
- An electron moving in a uniform magnetic field of induction of intensity B,
- A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω
- A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- Which of the following is not a thermodynamical coordinate?
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