Question

sound can travel through

a.solid b.liquid c.air
d.all of these

6. Sound can travel through

(b) Liquids
(c) Air

7. Which of the following is not a string instrument

(a) Piano

(b) Violin
(c) Harmonium

8. The animal capable of hearing infrasound is

(a) Man
(b) Rhinoceros
(c) Cows

9. To change loud sound to feeble sound we decrease its

(a) Amplitude
(b) Frequency
(C) Speed

10. The vocal cords in human produce sound by vibrating

(a) Air colum
(b) Strings
c.Membranes
d. Plates

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Answer 1

Answer:

Explanation: Sound can travel through a) air

Piano is not a string instrument

Animals capable of hearing infrasound is Cows

To change loud sound to feeble sound we decrease its amplitude

The vocal cords in human produce sound by vibrating air coulm