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13. Sound
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Q27 of 123 Page 253

Name the quantity whose unit is 'hertz'.

The unit of frequency is called “hertz”.


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25

Name the nerve which carries electrical impulses from the cochlea of ear to the brain.

26

What is the name of passage in outer ear which carries sound waves to the eardrum?

28

What is the relation between 'time-period' and 'frequency' of an oscillating body?

29

Name three characteristics which are used to describe oscillations (or vibrations).

Questions · 123
13. Sound
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