Question

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 ____________.

Answer 1

Answer:

1) compression and rarefraction

2) node and antinode

3) vacuum,wavelength , vacuum

4) vacuum

5) faster

6) decreases.

Hope it works.

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