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Grade 10 Physics MCQs

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Sound MCQ Quiz Online p. 4

Solve Sound quiz questions and answers PDF, sound trivia questions with answers to learn grade 10 physics worksheet 4 for courses online. Echo of Sound MCQs, sound quiz questions and answers for online education. "Sound Quiz" PDF eBook: echo of sound, importance of acoustics, audible range of human ear, speed of sound test prep for free online courses.

"To communicate with each other, Elephants use" Multiple Choice Questions (MCQ) on sound with choices low frequency light waves, low frequency sound waves, high frequency sound waves, and low frequency heat waves for online education. Study echo of sound quiz questions for school certificate programs for online degrees.

MCQs on Sound Quiz

MCQ: To communicate with each other, Elephants use

low frequency sound waves
low frequency light waves
high frequency sound waves
low frequency heat waves

MCQ: The technique or method to absorb undesirable sounds by soft and porous surface is called

acoustic protection
unacoustic protection
audible protection
decibel protection

MCQ: A normal human ear can hear a sound only if its frequency lies between

30 Hz to 30,000 Hz
50 Hz to 50,000 Hz
20 Hz to 20,000 Hz
10 Hz to 10,000 Hz

MCQ: The speed of sound in air is


MCQ: The speed of sound can be found by relation

v = cλ
v = ma
v = fλ

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