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Anjaneya Raj Garg from Study Hall, Lucknow
Subject :NSO    Class : Class 9

A student plotted the following four graphs representing the variation of velocity v of sound in a gas with the pressure P for a given temperature. Which one is correct?

A
B
C
D


What is the reason for this

Ans 1:

Tanmay Mehta from Nirmala Convent high school, Renukoot
Class : Class 9
The answer will be (D)

Ans 2:

Aditya Singh from Bright Day School, Vadodara
Class : Class 9
Answer is D as sound velocity is not affected by increase or decrease in pressure if temperature remains constant

Ans 3:

Shreyas V Poojary from Sri Sri Ravishankar Vidya Mandir , Bangalore
Class : Class 9
doesnt sound travel faster in solids than in liquids and in liquids than gas ?isnt the answer A ?

Ans 4:

Dhruvan G from Indian School al Ghubra, Muscat
Class : Class 9

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