Advertisements
Advertisements
प्रश्न
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
Advertisements
उत्तर
Frequency of wave = number of waves per second
Or, ν = 40 / 0.4 = 100 Hz
APPEARS IN
संबंधित प्रश्न
State the factors on which the pitch of a sound depends.
What are wavelength, frequency, time period and amplitude of a sound wave?
What is sound? What type of waves are sound wave in air?
How does the velocity of a wave vary with temperature?
Is sound a form of energy?
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
Define one hertz.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
What are the uses of infrasonic sound?
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
