Which communication medium uses radio waves for broadcasting? MCQ with Answer and Explanation

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Which communication medium uses radio waves for broadcasting?

A. Courier services

B. Fiber optics

C. Postal mail

D. Television and radio

Answer: Option D

Solution (By JKSSB Mock Tests)

Radio and television broadcasting use radio waves for transmission.

This question belongs to: Geography GK Transport and Communication

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Question #1

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Which railway station is famous for having all platforms connected by escalators and lifts as a model station?

A. Howrah

B. Habibganj (Rani Kamlapati)

C. Kanpur Central

D. Patna Junction

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Correct Answer: Option B

Explanation:
Rani Kamlapati Railway Station is recognized as one of India's most modern railway stations.

This question belongs to: Geography GK Transport and Communication

Question #2

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Which Indian city is known as the 'Crossroads of India' due to its transport connectivity?

A. Indore

B. Jaipur

C. Lucknow

D. Nagpur

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Correct Answer: Option D

Explanation:
Nagpur lies near the geographical center of India and is an important road, rail, and air transport hub.

This question belongs to: Geography GK Transport and Communication

Question #3

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Which communication technology is used by television broadcasters to transmit digital TV signals?

A. NFC

B. FTP

C. DVB

D. SMTP

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Correct Answer: Option C

Explanation:
Digital Video Broadcasting (DVB) standards are used for digital television transmission.

This question belongs to: Geography GK Transport and Communication

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