Advertisements
Advertisements
प्रश्न
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
Advertisements
उत्तर
We have to find the wavelength of the sound wave.
Given: Frequency f = 512 Hz
Velocity of sound wave ν = 340 m/s
We know the relation between velocity, frequency, and wavelength `lambda = v/f `,
where ν is the velocity, f the frequency, and λ the wavelength.
So,
`lambda = 340/512` m
= 0.664 m
Therefore, wavelength of the sound wave is 0.66 m.
APPEARS IN
संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
How is ultrasound used for cleaning?
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the unit used to measure the loudness of sound. Also write its symbol.
How does the pitch of a sound depend on frequency ?
How is it that bats are able to fly at night without colliding with other objects ?
What is the range of frequencies associated with (a) infrasound (b) audible sound, and (c) ultrasound ?
Write any three applications (or uses) of ultrasound.
Explain how does SONAR work?
Expand the abbreviation of the term SONAR.
