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Subject :NSO    Class : Class 8

Fill in the blanks by choosing an appropriate option. The loudness of sound depends on its _(i)_ . The _(ii)_ determines the pitch of a sound. A bird makes a _(iii)_ sound where as a lion makes a _(iv)_ sound. Usually voice of a woman has a _(v)_ frequency than that of a man.

(i) (ii) (iii) (iv) (v)
A Amplitude Frequency Low-piched High-piched Lower
B Pitch Frequency Low-piched High-piched Lower
C Amplitude Frequency High-piched Low-piched Higher
D Frequency Pitch High-piched Low-piched Higher


how it is

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