Advertisements
Advertisements
प्रश्न
Draw the sketches of two waves A and B such that wave A has twice the wavelength and half the amplitude of wave B.
Advertisements
उत्तर
We can conclude that wave B is louder than wave A as loudness of sound is directly proportional to the amplitude of the wave.
APPEARS IN
संबंधित प्रश्न
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
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?
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
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?
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 ______.
The vibrations of a simple pendulum are also known as _______.
Describe an experiment to show that sound cannot travel through vaccum.
______ is produced when an object is set to vibrate.
