Class 10 Physics Exam MCQs – Practice Test 12 (Chapter 9)

Sound Notes Questions with Answers PDF Download – Test 12

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The "Sound Notes" App Download: Speed of sound in the air was first accurately measured in; MCQ with answers: 1728, 1718, 1738, and 1708. Practice Sound and Sound Waves MCQ Questions, download Kobo e-Book (Free Chapter) to pursue digital science education.

Sound MCQs – Practice Test 12 PDF Download

MCQ 56: The barely audible sound is called:

1 bel
zero bel
4 bel
2 bel

MCQ 57: The speed of sound in the air was first accurately measured in:

1718
1728
1738
1708

MCQ 58: The reflection of sound is called:

quality
loudness
pitch
echo

MCQ 59: The characteristic of sound by which we distinguish between shrill and grave sound is:

frequency
loudness
pitch
quality

MCQ 60: The level of noise recommended in most countries is:

30-40 dB
95-100 dB
85-90 dB
75-80 dB

Sound Exam Prep – Class 10 Physics Notes App & e-Book

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