Which of the following statements is (are) NOT correct?
Which of the following statements is (are) NOT correct?
i. pressure changes do not affect the speed of sound in air
ii. the velocity of sound increases with temperature
iii. the quality of the note depends only on its frequency
i only
ii only
iii only
i and iii
ii and iii
Correct answer is D
No explanation has been provided for this answer.
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