Which layer of the atmosphere reflects radio waves? MCQ with Answer and Explanation

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Which layer of the atmosphere reflects radio waves?

A. Stratosphere

B. Ionosphere

C. Mesosphere

D. Troposphere

Answer: Option B

Solution (By JKSSB Mock Tests)

The ionosphere contains charged particles that reflect radio waves for long-distance communication.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which factor primarily determines the length of day and night on Earth?

A. Earth's Axial Tilt

B. Ocean Currents

C. Atmospheric Pressure

D. Longitude

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Correct Answer: Option A

Explanation:
The Earth's axial tilt of about 23.5° causes variations in the length of day and night throughout the year.

This question belongs to: Geography GK Physical Geography

Question #2

The supercontinent that existed about 300 million years ago was called:

A. Gondwanaland

B. Laurasia

C. Panthalassa

D. Pangaea

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Correct Answer: Option D

Explanation:
Pangaea was the giant supercontinent that later broke apart into present-day continents.

This question belongs to: Geography GK Physical Geography

Question #3

Mauna Loa of Hawaii is an example of:

A. Composite Volcano

B. Extinct Volcano

C. Shield Volcano

D. Dormant Volcano

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Correct Answer: Option C

Explanation:
Mauna Loa is the world's largest active shield volcano located in Hawaii.

This question belongs to: Geography GK Physical Geography

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