Class 10 Physics MCQs – Practice Test 7 (Chapter 9)

Sound Quiz with Answers PDF Download – Test 7

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Learn Sound Quiz Questions and Answers PDF for remote physics learner support. Download the Sound Quiz PDF e-Book, Ch. 9-7 to learn Class 10 Physics Course. Solve Characteristics of Sound MCQs PDF, Sound Quiz Questions and Answers for online physics tutoring support. Free Class 10 Physics Study App: Download the Sound Quiz App to learn characteristics of sound, audible range of human ear, echo of sound, sound waves in physics, sound and sound waves test prep for remote physics learner support.

Study Class 10 Physics Study App (iOS & Android) with MCQ: "People use the silent whistle to call dogs whose frequency lies between"; with answers: 20,000 hz to 25,000 hz, 15,000 hz to 18,000 hz, 10,000 hz to 15,000 hz, and 30,000 hz to 35,000 hz. Study Characteristics of Sound MCQ Questions, download Google Book (Free Chapter) to access digital academic assistance.

Sound Quiz – Practice Test 7 PDF Download

MCQ 31: People use the silent whistle to call dogs whose frequency lies between:

15,000 Hz to 18,000 Hz
20,000 Hz to 25,000 Hz
10,000 Hz to 15,000 Hz
30,000 Hz to 35,000 Hz

MCQ 32: A human hearing can not hear a sound of frequency less than:

20 Hz
30 Hz
10 Hz
40 Hz

MCQ 33: When sound is incident on the surface of a medium it bounces back into the first medium. The phenomenon is called:

refraction of sound
deflection of sound
defraction of sound
reflection of sound

MCQ 34: In a market, the intensity level of sound recorded is 80 dB, the intensity level of sound should be:

10^-4Wm^-2
10^-6Wm^-2
10^-8Wm^-2
10^-5Wm^-2

MCQ 35: 1 bel is equal to:

100 dB
50dB
10dB
20dB

Sound Quiz App & e-Book – Class 10 Physics Study Material

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