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Speed of Sound

Fill in the b...

Question

Fill in the blanks :
The region in a sound wave, with higher pressure and density, is called and that with low pressure and density, is called .

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Solution

The region in a sound wave, with higher pressure and density, is called compression and that with low pressure and density is called rarefaction.

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Q. Fill in the blanks with approriate word:
a. The region in a sound wave, with higher pressure and density is called................ and that with low pressure and density is called........... .

b. Medium is ....................... for generation of sound.

c. The total number of compressions and rarefactions produced per second in a sound wave is 1000. The frequency of the sound wave is.................. .

d. Different sound notes have different.............. .

e. In loudspeaker................energy is converted into..................energy.

Q. A region of sound wave, where the air is at low pressure and low density.

Q. What do we call the region of low pressure in a sound wave ?

Fill in the following blanks with suitable words :

(a) Sound is caused by ______.

(b) A sound wave consists of places of higher pressure called ______ and places of ______ pressure called ______ .

(c) Wave speed in metres per second equals frequency in ______ multiplied by ______ in ______ .

(d) Sound cannot travel through ______ .

(e) The speed of sound in a solid is ______ than the speed of sound in air.

(f) When the frequency of the sound is increased, the wavelength ______ .

Q. Fill in the following blanks with suitable words.
(a) Sound waves are caused by ____________.
(b) A sound wave consists of places of higher pressure called ____________ and places of lower pressure called ____________.
(c) Wave speed in meters per second equals frequency in ____________ multiplied by ____________ in ____________.
(d) Sound cannot travel through ____________.
(e) The sound travels ____________ in a solid than in a gas.
(f) When the frequency of the sound is increased, the wavelength ____________.

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