Question
Download Solution PDFAt the time of lightning, the flash of light appears first and after some time we hear the sound of lightning. That's because -
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- Light and sound are very different.
- Sound is a mechanical disturbance that travels through air or another medium.
- Sound needs a medium to travel through a medium that determines its speed.
- A thunderstorm is a loud noise that follows a flash of lightning. Lightning can be seen before the sound of thunder is heard as light travels faster than sound.
- The speed of sound in the air is 300m/s while Light travels at 186,282 meters per second.
- This indicates the reason why we see lightning first in a thunderstorm because the visible light waves formed by the plasma in the lightning travel to our eyes much faster than the crack of thunder sound that reaches our ears.
Last updated on Jun 16, 2025
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