Question

2 Think and Apply
. Tick the correct option.
(a) In recording studios, the walls are covered with
(i) This is because bumpy foams produce nice
(ii) This is because walls will absorb sounds if
(iii) This is because bumpy foams absorb extra
(iv) This is because bumpy foams will absorb
(b) Why does blowing into a trumpet make sound?
(i) The trumpet heats the air inside.​

Answer 1

Explanation:

ii) This is because wall will absorb sound of

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