Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
10/11/2024
Science
9th
Sound
What is sound and how is it produced?
10/11/2024
Science
9th
Sound
What is the range of frequencies associated with (a) Infrasound? (b) Ultrasound?
10/11/2024
Science
9th
Sound
What is the audible range of the average human ear?
10/11/2024
Science
9th
Sound
Why are the ceilings of concert halls curved?
10/11/2024
Science
9th
Sound
An echo is heard in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m s–1?
10/11/2024
Science
9th
Sound
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
10/11/2024
Science
9th
Sound
Distinguish between loudness and intensity of sound.
10/11/2024
Science
9th
Sound
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
