Which communication medium uses light signals through glass fibers? MCQ with Answer and Explanation

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Which communication medium uses light signals through glass fibers?

A. Radio

B. Fiber Optics

C. Telegraph

D. Satellite

Answer: Option B

Solution (By JKSSB Mock Tests)

Fiber optic communication transmits data using light through thin glass fibers.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which communication system is commonly used by ships at sea?

A. VHF Radio

B. Wi-Fi

C. LAN

D. Bluetooth

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Correct Answer: Option A

Explanation:
VHF radio communication is extensively used for maritime communication.

This question belongs to: Geography GK Transport and Communication

Question #2

Which major port is located in Odisha?

A. Kandla

B. Kochi

C. Mormugao

D. Paradip

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Correct Answer: Option D

Explanation:
Paradip Port is a major port located in Odisha on the Bay of Bengal.

This question belongs to: Geography GK Transport and Communication

Question #3

Which transport is used for military logistics in remote areas?

A. Railways

B. Waterways

C. Airways

D. Roadways

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Correct Answer: Option C

Explanation:
Air transport is crucial for military logistics in remote and difficult terrains.

This question belongs to: Geography GK Transport and Communication

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