Advertisements
Advertisements
प्रश्न
If the speed of a wave is 340 m/s and its frequency is 1700 Hz, then λ for this wave in cm will be :
पर्याय
2
0.2
20
200
उत्तर
Given: Velocity of the wave = 340 m/s
Frequency of the wave = 1,700 Hz
So, we can find the wavelength by `lambda = v/f`
where λ is the wavelength, ν the velocity, and f the frequency.
So,
`lambda = 340/1700` m
= 20 cm
(c) 20 cm.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
The speed of sound in water is
Write the approximate speed of sound in steel.
Can sound travel through solids and liquids ? In which of these two does it travel faster ?
Guess which sound has a higher pitch:
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Which of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
A sound signal of 128 vibrations per second has a wavelength of 2.7 m. Calculate the speed with which the wave travels.
When temperature increases the speed of sound ______.
On which factors does the speed of sound in the gaseous medium depend?
