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
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
Name the characteristic which differentiates two sounds of the same pitch and same loudness.
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
Sound is generated by the rhythmic ______ of an object.
How do the following factor affect the speed of sound in air?
Pressure in air.
Vibration of object produces ______.
An earthquake produces which kind of sound before the mainshock wave begins
What happens to the speed of sound when it gases from a solid to a gaseous state?
