A geostationary satellite orbits the Earth from: MCQ with Answer and Explanation

A geostationary satellite orbits the Earth from:
A. North to South
B. West to East
C. East to West
D. South to North
Answer: Option B
Solution (By JKSSB Mock Tests)
A geostationary satellite must appear stationary to an observer on the Earth's surface. To achieve this, it must orbit in the exact equatorial plane and strictly follow the Earth's rotation. Since the Earth rotates on its axis from West to East, the geostationary satellite must also orbit from West to East.

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Practice More Physics Questions

Question #1
The final image in an astronomical telescope is
A. Real and erect
B. Real and inverted
C. Virtual and erect
D. Virtual and inverted

Correct Answer: Option D


Explanation:
Telescope forms inverted, virtual image at infinity (or near point). For terrestrial, erecting lens makes erect.

This question belongs to: Science Physics
Question #2
A boy throws a ball vertically upward with velocity 20 m/s. Time after which ball returns to his hands (g=10) is
A. 4 s
B. 1 s
C. 2 s
D. 8 s

Correct Answer: Option A


Explanation:
Total time = 2u/g = 40/10 = 4 s.

This question belongs to: Science Physics
Question #3
A sound wave has wavelength 1.7 m and speed 340 m/s. Its frequency is
A. 170 Hz
B. 578 Hz
C. 200 Hz
D. 340 Hz

Correct Answer: Option C


Explanation:
f = v/λ = 340/1.7 = 200 Hz.

This question belongs to: Science Physics