Class 10 Physics Certification MCQs – Practice Test 19 (Chapter 9)

Sound Quiz with Answers PDF Download – Test 19

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The Sound Quiz Questions and Answers PDF (Sound Quiz PDF e-Book) download Ch. 9-19 to learn Class 10 Physics Course. Solve Sound Waves in Physics MCQs PDF, Sound Quiz Questions and Answers to study online certificate courses. The Sound Quiz App Download: Free Class 10 Physics App to learn sound waves in physics, audible range of human ear, echo of sound, characteristics of sound, importance of acoustics test prep for online degrees.

The MCQ: A sound wave has a frequency of 3 KHz and wavelength 20 cm. How much will it take to travel 2 km; "Sound Quiz" App (iOS, Android) with answers: 3.33 s, 4.2 s, 3.9 s, and 4.65 s to study online certificate courses. Study Sound Waves in Physics MCQ Questions, download Google Book (Free Chapter) for taking online classes.

Sound Quiz – Practice Test 19 PDF Download

MCQ: 91

A sound wave has a frequency of 3 KHz and wavelength 20 cm. How much will it take to travel 2 km?

4.2 s
3.33 s
3.9 s
4.65 s

MCQ: 92

A human hearing can not hear a sound of frequency more than

10,000 Hz
20,000 Hz
5,000 Hz
15,000 Hz

MCQ: 93

A marine survey ship sends a sound wave to the seabed which receives an echo after 2.5 s. The speed of sound in seawater is 1200 ms^-1. The depth of the sea is

1200 m
1500 m
750 m
1000 m

MCQ: 94

A higher pitch means the

zero frequency
lower frequency
higher frequency
lower loudness

MCQ: 95

The echo of sound is more prominent if the surface is

soft
rigid
porous
smooth

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