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:
Class : Class 8
It should be option c
Ans 2:
Class : Class 8
speed =frequency*wavelength so frequency is inversely proportional to wavelength so if frequency changes the wavelength will also change
Ans 3:
Class : Class 10
Ans 4:
Class : Class 8
both 1 and 3 should be answers