Amisha Singh Solutions for Chapter: Sound, Exercise 1: Exercise

Name the physical quantity whose SI unit is ‘Hertz’ ?

Which object vibrates when the following sound is produced?
Sound of a tuning fork.
(Prongs / Diaphragm)

Which object vibrates when the following sound is produced?
The sound of a flute.
(air column / wooden tube)

What is the general name of the waves in which the particles of the medium vibrate perpendicular to the direction of the wave - transverse wave or longitudinal wave?

What is the frequency of a sound wave whose time period is $0.05 \mathrm{s}$?

What is the wavelength of a sound wave having a frequency $300 \mathrm{Hz}$ and speed $330 \mathrm{m}/\mathrm{s}$?

A sound wave has a frequency of $2 \mathrm{kHz}$ and wavelength $35 \mathrm{cm}$. How long will it take to travel $1.5 \mathrm{km}$?

A tuning fork having frequency $256 \mathrm{Hz}$ emits a wave which has a wavelength of $1.35 \mathrm{m}$. Calculate the speed of sound in air.