Class 10 Physics MCQs - Chapter 9

Sound Trivia Questions and Answers PDF - 12

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The Trivia Quiz: Barely audible sound is called; "Sound" App APK Download (Free) with answers zero bel, 1 bel, 4 bel and 2 bel for high school certificate courses. Practice sound and sound waves quiz questions, download Kindle eBook (Free Sample) for online learning.

Sound Questions & Answers PDF Download: MCQ Quiz 12

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

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