Advertisements
Advertisements
प्रश्न
Name the physical qantity whose SI unit is 'hertz'.
उत्तर
Frequency is the physical quantity and its SI unit is hertz (Hz).
APPEARS IN
संबंधित प्रश्न
What is sound and how is it produced?
Fill in the blank.
Sound is produced when a body ______.
Describe an experiment to show that each source of sound is a vibrating body.
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
The vibrations of a simple pendulum are also known as _______.
Infrasound can be heard by