A satellite in a circular orbit of radius R has period T. For radius 4R, period is MCQ with Answer and Explanation

Question

Share Report Error

A satellite in a circular orbit of radius R has period T. For radius 4R, period is

A. 2T

B. 8T

C. 4T

D. T/2

Answer: Option B

Solution (By JKSSB Mock Tests)

Kepler's 3rd law: T² ∝ R³ => T' = T (4)^(3/2) = T×8 = 8T.

This question belongs to: Science Physics

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Physics Questions

Question #1

A spring with k=200 N/m is compressed by 0.1 m. Potential energy stored is

A. 20 J

B. 0.5 J

C. 2 J

D. 1 J

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option D

Explanation:
U = ½ k x² = ½×200×0.01 = 1 J.

This question belongs to: Science Physics

Question #2

The process of heat transfer in a solid metal rod is

A. Conduction

B. Sublimation

C. Convection

D. Radiation

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option A

Explanation:
In solids, heat flows by conduction (lattice vibrations and free electrons). Metals are good conductors due to free electrons. Convection in fluids, radiation no medium.

This question belongs to: Science Physics

Question #3

A car of mass 1000 kg moves with velocity 20 m/s. Kinetic energy is

A. 10 kJ

B. 20 kJ

C. 400 kJ

D. 200 kJ

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option D

Explanation:
KE = ½×1000×400 = 200,000 J = 200 kJ.

This question belongs to: Science Physics

Explore All Physics MCQs