Class 10  Physics Chapter 11 Sound MCQs | New Book | National Book Foundation | Study With ME
Channel: Study With Me
Date: 07/07/2023

Class 10  Physics Chapter 11 Sound MCQs | New Book | National Book Foundation | Study With ME
Chapter 11
Sound
Physics
Choose the Correct Option
Multiple Choice Questions
MCQs

1.  Which is not true for sound?
2.   Sound travels faster in ________
3.  Speed of sound in air at 0oC is 332 m/s. What is it’s speed in vacuum?
4.  Threshold of hearing has ______ intensity level.
5.  Frequency of sound waves in air is doubled, its speed will:-
6.  Sounds having frequency _________ are called infrasonic waves:-
7.  Minimum distance of a person from obstacle for sound to hear echo is:-
8.  Which of the following properties of waves is directly related with loudness of sound?
9.  Intensity of threshold of pain (loudest audible sound without pain to ears):-
10.  Silent whistle is used to train dog. When trainer blow the whistle, human beings do not hear it but dogs do listen. Its possible frequency is :

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Wavelength
Time period
Amplitude
Frequency
Pitch
Loudness
Vacuum


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