Class 10 Physics MCQs - Chapter 9

Sound Trivia Questions & Answers PDF Download - 12

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The Sound Trivia Questions and Answers PDF (Sound Quiz Answers PDF e-Book) download Ch. 9-12 to study Grade 10 Physics Course. Practice Sound and Sound Waves MCQ PDF, Sound Quiz Questions and Answers for high school certificate courses. The Sound Trivia App Download: Grade 10 Physics Study App [Free] for sound and sound waves, sound wave and speed, reflection (echo), noise pollution test prep for taking online classes.

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

Sound Test Questions and Answers PDF Download: MCQ 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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