Advertisements
Advertisements
प्रश्न
200 waves pass through a point in one second. Calculate the time period of wave.
Advertisements
उत्तर
Waves passing through a point in 1 second = 200
We know, frequency (ƒ) = Number of waves passing through a point in 1 second.
∴ ƒ = 200Hz
Also, T = `1/"f"`
∴ Time period (T) = `1/200`
T = 0.005s
APPEARS IN
संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
To detect the obstacles in their path, bats produce ______.
The flash of a gun is seen by a man 3 seconds before the sound is heard. Calculate the distance of the gun from the man (Speed of sound in air is 332 m/s).
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
Name three animals, which can hear ultrasonic vibrations.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
