Q784
Noise is _______________
A.
Huge sound
B.
Sound of vehicles
C.
Undesirable and unwanted sound
AnswerD.
Sound of crackers
Answer: Option C
Solution
Answer: Option C
Solution:
Noise is disordered sound. Music and noise are both mixtures of sound waves of different frequencies. The component frequencies of music are discrete (separable) and rational (their ratios form simple fractions) with a discernible dominant frequency.