What is noise defined as in acoustics compared to music?

Type: MCQ • Marks: 1

A. Ultrasound

B. A pure single-frequency tone

C. A pleasant periodic sound

D. An unpleasant, jarring, or random mixture of irregular frequencies

Explanation

Noise consists of irregular, non-periodic acoustic vibrations, whereas music features harmonious periodic patterns.

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Class 9th Science (MCQ)

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