Class 10 Physics Competitive Exam MCQs – Practice Test 5 (Chapter 9)

Sound MCQs with Answers PDF Download – Test 5

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Sound MCQs – Practice Test 5 PDF Download

MCQ 21: Pitch of the sound depends upon:

frequency
distance of sound
amplitude
temperature

MCQ 22: Main sources of noise pollution are:

Transportation equipment only
Heavy machinery only
musical instruments
Transportation equipment and heavy machinery

MCQ 23: Astronauts in space communicate with each other by radio links because:

Sound waves travel slowly in space
sound waves can't travel in space
sound waves travel fast in space
sound waves have low frequency

MCQ 24: The loudness of sound is directly proportional to:

intensity
area
pitch
log of intensity

MCQ 25: The area and loudness are:

inversely related
directly related
not related at all
inversely proportional

Sound MCQs App & e-Book – Class 10 Physics Competitive Exam

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