Class 10 Physics MCQs - Chapter 9

Sound Quiz Questions and Answers PDF - 19

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The Book Sound Quiz Questions and Answers, sound Quiz PDF Download, Free Ch. 9-19 to study class 10 physics online courses. Download Sound Waves in Physics MCQs PDF, sound quiz questions and answers to study online certificate courses. The Sound Quiz App Download: Free learning app for sound waves in physics, audible range of human ear, echo of sound, characteristics of sound, importance of acoustics test prep for online degrees.

The Quiz: A sound wave has a frequency of 3 KHz and wavelength 20 cm. How much will it take to travel 2 km; "Sound" App Download iOS & Android (Free) 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 quiz questions, download Amazon eBook (Free Sample) for taking online classes.

Sound Questions & Answers PDF Download: MCQ Quiz 19

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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