Class 10 Physics Competitive Exam MCQs – Practice Test 13 (Chapter 9)

Sound MCQs with Answers PDF Download – Test 13

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The Sound Multiple Choice Questions (MCQs) with Answers PDF (Sound MCQs PDF e-Book) download Ch. 9-13 to study Class 10 Physics Course. Learn Sound Quiz Questions and Answers to study online high school courses. The Class 10 Physics MCQs App Download: Free Sound App for speed of sound, ultrasound, physics: sound waves, characteristics of sound test prep for online teaching certification programs.

The MCQ: The speed of sound in the liquid is; "Class 10 Physics MCQs" App Download [Free] with answers: 3 times that in gas, 2 times that in gas, 5 times that in gas, and 8 times that in gas to study online high school courses. Solve Speed of Sound MCQ Questions, download Google e-Book (Free Chapter) for online teaching certification programs.

Sound MCQs – Practice Test 13 PDF Download

MCQ: 61

The speed of sound in the liquid is

2 times that in gas
3 times that in gas
5 times that in gas
8 times that in gas

MCQ: 62

Ultrasonic waves carry more

energy only
frequency only
heat
energy and frequency

MCQ: 63

The sound waves travel from its source by

vibrations in wires or strings
electromagnetic wave
infrared wave
changes in air pressure

MCQ: 64

The difference between the loudness (L) of an unknown sound and the loudness L_o is known as

intensity level of the unknown sound
intensity level of the known sound
quality of sound
pitch of sound

MCQ: 65

The wavelength of ultrasonic waves is

more than audible sound
less than audible sound
equal to audible sound
greater than light wave

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