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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)

View All Answers (4)

Ans 1:

neelu desai from bombay scottish, mumbai

Class : Class 8

both 1 and 3 should be answers

Ans 2:

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

Ans 3:

Lakshya Ajay Kawade from Holy Cross Kapa , Raipur

Class : Class 10

It should be option c

Ans 4:

Archi from Mothers Global School, Delhi