Advertisements
Advertisements
प्रश्न
The maximum speed of vibrations which produce audible sound will be in :
विकल्प
dry air
sea water
ground glass
human blood
Advertisements
उत्तर
Velocity of the longitudinal wave is directly proportional to the density of the medium.
(c) Ground glass.
APPEARS IN
संबंधित प्रश्न
Describe an experiment to show that sound can travel in water.
Which term is used to denote a speed greater than the speed of sound?
A sound signal of 128 vibrations per second has a wavelength of 2.7 m. Calculate the speed with which the wave travels.
A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air be 330 m/s, how much time will the sound of factory siren take to reach the worker?
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a city
Sunil is standing between two walls. The wall closest to him is at a distance of 660 m. If he shouts, he hears the first echo after 4 s and another after another 2 seconds.
- What is the velocity of sound in air?
- What is the distance between the two walls?
Write the formula for speed of sound in a gas using Laplace correction.
The velocity of sound in air at a particular temperature is 330 ms–1. What will be its value when temperature is doubled and the pressure is halved?
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the transmission and reception of the wave is 1.6 seconds. What is the depth of the sea, if the velocity of sound in the seawater is 1400 ms–1?
The propagating disturbance that travels in a medium is called a ______.
