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प्रश्न
Select the correct option:
The longitudinal waves can propagate only in
पर्याय
solids
liquids
gases
all of these
MCQ
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उत्तर
all of these
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संबंधित प्रश्न
You recognize your friend by hearing his voice on a telephone. Explain.
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
State two factors on which the velocity of a wave depends.
Write two differences between transverse and longitudinal waves.
A boy fires a gun and hears the echo 2 seconds later. If he is 480 m away from a wall, calculate the velocity of sound in air.
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
State three conditions necessary for hearing sound.
A thin metal plate is placed against the teeth of cog wheel. Cog wheel is rotated at a speed of 120 rotations per minute and has 160 teeth. Calculate:
- frequency of node produced.
- speed of sound, if wavelength is 1.05 m.
- what will be the effect when the speed of cog wheel is doubled?
Name the Sound of the Frequency Given Below:
200 Hz
Describe with diagram, how compressions and rarefactions are produced.
