Class 10 Physics MCQs – Practice Test 22 (Chapter 9)

Sound MCQ with Answers PDF Download – Test 22

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Sound MCQ – Practice Test 22 PDF Download

MCQ 106: We can “see” sound waves by using:

stethoscope
microscope
fiberscope
oscilloscope

MCQ 107: Bats can hear frequencies up to:

120,000 Hz
150,000 Hz
170,000 Hz
180,000 Hz

MCQ 108: The unit of intensity is:

ms^-2
watt
Wm^-2
Hz

MCQ 109: The sounds which have a jarring and unpleasant effect on our ears is called:

frequency
amplitude
noise
musical sounds

MCQ 110: The technique used to absorb noise by using soft and porous surfaces is called:

acoustic protection
refraction
absorption
semi lunar protection

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