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संबंधित प्रश्न
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
Fill in the blank.
________ produces a sensation in ears.
How does a man’s voice differ from a woman’s voice ?
Name the type of waves produced when a tuning fork is struck in air.
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
What is approximate value of the speed of sound in iron as compared to that in air? Illustrate your answer with a simple experiment.
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?
How do the following factor affect the speed of sound in air?
Moisture in air.
What types of medium are required for sound to travel?
