Advertisements
Advertisements
प्रश्न
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
Advertisements
उत्तर
Mostly, a sound-producing object vibrates at a faster rate that we cannot see its vibrations with our naked eyes. The time interval between two successive vibrations is less than the persistence of vision. Hence, we see the object in static mode rather than in vibration mode.
APPEARS IN
संबंधित प्रश्न
Describe an experiment to show that each source of sound is a vibrating body.
Describe an experiment to estimate the speed of sound in air.
Can sound travel through (a) iron, and (b) water?
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
What conclusion can be obtained from the observation that when the prongs of a sound making tuning fork touch the surface of water in a beaker, the water gets splashed?
A sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
The region in a sound wave, with higher pressure and density, is called ______ and that with low pressure and density is called ______.
Different sound notes have different ______.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
