Question

State whether the statements are true or false. (10)

(i) Loudness of sound depends on frequency of vibration.

(ii) Air friction can be reduced by streamlined shape.

(iii) Air exert pressure in all directions.

(iv) Synthetic fibres have the ability to absorb moisture well.

(v) All types of mushroom are edible.

(vi) Air pressure is due to the weight of air column above us.

(vii) Loudness of sound is measured in decibel.

(viii) S.I. unit of pressure is newton.

(ix) Fungi inhibit the process of fermentation.

(x) Athletes foot is disease caused by​

Answer 1

Answer:

1) True

2) True

3)True

4) False

5)False

6)False

7)True

8) True

9)True

10) Fungi

Answer 2

Explanation:

true

true

true

false

false