Advertisements
Advertisements
प्रश्न
The speed of highly penetrating ultrasonic waves is :
पर्याय
lower than those of audible sound waves
higher than those of audible sound waves
much higher than those of audible sound waves
same as those of audible sound waves
Advertisements
उत्तर
The speed of sound wave in air is independent of its frequency.
(d) Same as those of audible sound waves.
APPEARS IN
संबंधित प्रश्न
A stone is dropped from the top of a tower 500 m high into a pond of water at the base of the tower. When is the splash heard at the top? Given, g = 10 m s−2 and speed of sound = 340 m s−1.
Write true or false for a given statement.
Sound can travel in a vacuum.
Fill in the blank.
Sound travels faster in ________ than in liquids.
What is the time-period of a tuning fork whose frequency is 200 Hz?
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a village
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?
Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48 gm respectively. In which bottle will sound travel faster? How many times be as fast as the other?
Why does the flash of lighting reach earlier than the sound of thunder?
Velocity of sound in the atmosphere of a planet is 500 ms–1. The minimum distance between the sources of sound and the obstacle to hear the echo should be
On which factors does the speed of sound in the gaseous medium depend?
