Question

Thunder and lightning both occur simultaneously but thunder is heard a few seconds

after lightning appears. Give a reason.

Ans it​

Answer 1

Answer:

The speed of light in air is 3 x 10 8 m/s. ... Since the speed of light is much more as compared to the speed of sound in air, lightning travels faster than the thunder. Hence, even though they occur at the same time, lightning is seen earlier than thunder can be heard.

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Answer 2

Question:

Thunder and lightning both occur simultaneously but thunder is heard a few seconds after lightning appears. Give a reason.

Answer and explanation:

Light travel faster than sound.

Speed of sound in air 330 m/s is very less than speed of light in air  300,000,000 m/s.

Speed of light is faster than sound that's why lightning is seen few seconds earlier than thunder.They occur simultaneously but thunder is heard a few seconds later.

V(l)= 330 m/s < V(s)=300,000,000 m/s.

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