Advertisements
Advertisements
प्रश्न
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
विकल्प
speed
frequency
wavelength
none of these
Advertisements
उत्तर
none of these
Hint:
If there is the same medium of a reflected obstacle is used, there is no change in speed, frequency, and wavelength of the sound.
APPEARS IN
संबंधित प्रश्न
Why are sound waves called mechanical waves?
Which wave property determines loudness?
Distinguish between compression and rarefaction.
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the wave velocity.
How does the speed of sound depend on (i) Amplitude, and (ii) Wavelength?
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
The sound waves travel faster ______.
