Advertisements
Advertisements
प्रश्न
What do you mean by the term frequency of a wave? State its S.I. unit.
Advertisements
उत्तर
The number of vibrations made by the particle of the medium in one second is called the frequency of the wave. It can also be defined as the number of waves passing through a point in one second.
Its SI unit is hertz (Hz).
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
The speed of sound is more in hydrogen than in nitrogen. Is this statement true? Give a reason for your answer.
A sound wave of wavelength 1/3 m has a frequency 996 Hz. Keeping the medium same, if frequency changes to 1328 Hz. Calculate
- velcoity of sound
- new wavelength.
What type of sound is produced by elephants and whales?
What is echolocation? How do animals make use of this phenomenon?
High-frequency sounds that cannot be heard by you are called _______.
