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Aditya Arsh from Virendra Swarup Public School Cantt, Kanpur
Subject :NSO    Class : Class 8

Which of the following will change when a person changes his pitch?
(1) Frequency
(2) Amplitude
(3) Wavelength

A(1) only
B(1) and (2) only
C(1) and (3) only
D(1), (2) and (3)


Wavelength will also change, so answer is (C)

Ans 1:

Lakshya Ajay Kawade from Holy Cross Kapa , Raipur
Class : Class 10
It should be option c

Ans 2:

Archi from Mothers Global School, Delhi
Class : Class 10

Ans 3:

neelu desai from bombay scottish, mumbai
Class : Class 8
both 1 and 3 should be answers

Ans 4:

Lakshmi from DDPS, Kota
Class : Class 8
speed =frequency*wavelength so frequency is inversely proportional to wavelength so if frequency changes the wavelength will also change

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