Question

1.
Human beings, as well as all animals, have a voice
box for producing their characteristic sounds.
2.
Of the three mediums, solids, liquids and gases,
sound propagates fastest in liquids.
3.
Sound cannot propagate through vacuum.
4. Light propagates, through vacuum, with a speed that
is nearly a million times more than the speed of
sound in air.
5.
The frequency of a given sound determines its
'shrillness' or 'flatness'.
6. Irregular non-periodic vibrations generally produce
musical sounds.​

Answer 1

Answer:-

1) true

2) false. Answer :- Solid

3) true

4) true

5) True

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