Advertisements
Advertisements
प्रश्न
What do you mean by an echo?
Advertisements
उत्तर
When the sound strike any object and reflect back, the hearing of reflected sound is called echo.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
We can hear sound of frequency
A stone is dropped on the surface of water in a pond. Name the type of waves produced.
How does the velocity of a wave vary with temperature?
State the speed of (i) light and (ii) sound in air?
Answer the following question :
Can sound travel in vacuum?
How is the sound produced?
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
When a sound wave travels through air, the air particles ______.
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
