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?
पर्याय
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
On what factor does the loudness of a sound depend ?
What is the difference between a compression and a rarefaction in a sound wave? Illustrate your answer with a sketch.
What are longitudinal waves and transverse waves? Explain with the help of labelled diagrams.
What is the audible range of frequency for human?
Select the correct option:
In case of longitudinal waves, the particles of the medium vibrate:
A bat emits an ultrasonic sound of frequency 0.25 MHz. Calculate the time in which one vibration is completed.
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.
Consider the statement given below and choose the correct option.
Assertion: When lightning strikes, the sound is heard a little after the flash is seen.
Reason: The velocity of light is greater than that of the sound.
Vibration of object produces ______.
