Advertisements
Advertisements
प्रश्न
Guess which sound has a higher pitch:
विकल्प
guitar
car horn
उत्तर
Guitar
Explanation:
The vibration frequency of a guitar sound is higher than that of a car horn. Since the pitch of a sound is proportional to its frequency, the guitar has a higher pitch than a car horn.
APPEARS IN
संबंधित प्रश्न
Which of the following is the speed of sound in copper and which in aluminium?
(a) 5100 m/s
(b) 1500 m/s
(c) 3750 m/s
Which of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
Calculate the frequency of a wave whose time-period is 0.02 s.
Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
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?
Fill in the blanks with suitable words .
Wave speed in metres per second equals frequency in ............ multiplied by ..................... in ..................
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a city
Nita heard the sound of lightning after 4 seconds of seeing it. What was the distance of the lightning from her?
(The velocity of sound in air is 340 m/s.)
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.