Question

A tunning fork of frequency 170 hz produces sound waves of wavelength 2 m. calculate speed of sound.

Answer 1

Answer:

Given:

Frequency of sound from tuning fork

= 170 Hz

Wavelength of sound = 2m

To find:

Velocity of sound

Formulas used:

Speed of sound = freq. × wavelength

Definitions:

Frequency is an index of rapidness of vibrations. On the other hand, wavelength is the distance between adjacent crest and trough of the propagating wave.

Calculation:

As per the given data,

speed = wavelength × freq.

=> v = 2 × 170

=> v = 340 m/s.

This velocity is temperature dependent Velocity. We have used this formula keeping all the physical conditions ( like temperature, wind speed, humidity) constant.

Answer 2

Answer:

Calculation:

speed = wavelength × frequency.

• v = 2 × 170.
• v = 340m/s .