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Question 20

Match List-I with List-II

List-IList-II
(A) Television signal(I) 03 KHz
(B) Radio signal(II) 20 KHz
(C) High Quality Music(III) 02 MHz
(D) Human speech(IV) 06 MHz

We need to match the bandwidth (frequency range) required for different types of signals.

Standard Bandwidth Requirements:

(A) Television signal:

A TV signal carries both video and audio information, requiring a large bandwidth of approximately 6 MHz.

This matches with (IV) 06 MHz.

(B) Radio signal:

A standard AM radio signal requires a bandwidth of approximately 2 MHz.

This matches with (III) 02 MHz.

(C) High Quality Music:

High quality (hi-fi) music reproduction requires frequencies up to about 20 kHz.

This matches with (II) 20 KHz.

(D) Human speech:

Human speech occupies a frequency range up to about 3 kHz.

This matches with (I) 03 KHz.

Summary of Matching:

A → IV, B → III, C → II, D → I

Hence, the correct answer is Option C: A-IV, B-III, C-II, D-I.

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