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Subject :NSO    Class : Class 5
What is the unit to measure sounds

Ans 1:

Class : Class 5
Denial unit

Ans 2:

Class : Class 5
it is Decibal and unit for frequency of sound is Hertz.

Ans 3:

Class : Class 5
the units used to measure sound is decibels

Ans 4:

Class : Class 6
decibel is the unit to measure the sounds

Ans 5:

Class : Class 6
The unit to measure sound are Hertz(hz) and Decibels(dbi)

Ans 6:

Class : Class 7
The unit to measure sounds is decibel.

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