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संबंधित प्रश्न
Fill in the blank.
The pitch of a sound depends on its ________.
Name the type of waves produced when a tuning fork is struck in air.
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find :
(i) Wavelength of the wave (ii) Frequency of the wave
At 20°C, the minimum distance of a person from a sound reflecting surface to hear an echo is :
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
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?
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 time period.
What cause sound? Why do we require a material medium for the transmission of sound?
What type of sound is produced by elephants and whales?
What are the uses of infrasonic sound?
