B K Gowel and Sangeeta Solutions for Exercise 2: EXERCISES

State whether the statements given are 'True' or 'False':
Frequency above $\mathrm{20,000} \mathrm{H}\mathrm{z}$ is ultrasonic sound.

Louder the sound more is the amplitude of a vibrating body.

State whether the statements given are 'True' or 'False':
Subsonic vibrations are in the range of $0$ to $20 \mathrm{Hz}$.

State whether the statements given are 'True' or 'False':
The speed of sound in air is $332 \mathrm{m} {\mathrm{s}}^{-1}$.

All musical instruments have an air box.

Which organ in human beings is responsible to produce sound?

Name the organ of hearing in Man.

Name the organ of hearing in Snake.