Advertisements
Advertisements
प्रश्न
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
Advertisements
उत्तर
This happens because the light travels much faster than sound.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
Sound cannot travel in
Can sound travel through a vacuum ? Describe an experiment to explain your answer.
In which medium sound travels faster : air or iron?
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
Does the speed of sound in a gas depend on the pressure of the gas?
Does audible range of frequency vary from person and also with the age of the person?
Name the Sound of the Frequency Given Below:
2000 Hz
In any medium, as the ______ increases, the speed of sound also increases.
The amount of water vapour present in the air is known as ______.
