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Frequency spectrum of noise occupies a band that is _________ the signal spectrum. Choose the most appropriate option.

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Frequency spectrum of noise occupies a band that is _________ the signal spectrum. Choose the most appropriate option.

(a) Narrow than

(b) Wider than

(c) Different from

(d) Same as

I got this question in a national level competition.

This interesting question is from Sensivity Enhancement for NMR Spectroscopy topic in division Nuclear Magnetic Resonance Spectrometer of Analytical Instrumentation

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Right choice is (b) Wider than

Easiest explanation: Frequency spectrum of noise occupies a band that is wider than the signal spectrum. Filters operate on this concept.

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