Advertisements
Advertisements
प्रश्न
What is the ratio of speed of light to speed of sound?
Advertisements
उत्तर
The ratio of speed of light to the speed of sound is 9.1 x 105.
APPEARS IN
संबंधित प्रश्न
List the measures that you will take when designing a sound-proof room.
How is it possible to recognize a person by his voice without seeing him?
What are wavelength, frequency, time period and amplitude of a sound wave?
What is loudness of sound? What factors does it depend on?
Name the two types of waves which can be generates in a long flexible spring (or slinky).
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
What cause sound? Why do we require a material medium for the transmission of sound?
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
Rapid back and forth motion of a particle about its mean position is called _____.
Name three animals which can hear ultrasonic vibrations.
