ENTRANCE TEST – 2012 :: Discussion


14.In an organ pipe if a person blows it fast then what change will occurs in sound waves?
A.I n II
B.I 0nly
C.III only
D.I,II,III and IV
Answer:  Option  C
Explanation:

I. speed

II.Amplitude

III.Freqeuncy

IV.Intensity

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Published by:Rehana Akram

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