1.

Rohit saw a lightening which sound is heard after 20 sec.Given speeed of light=3×10^8 m/sec and speed of sound= 340 m/sec.What is the height of the cloud?​

Answer»

ANSWER:

  • Let the distance between CLOUD and the ground is X meters. We know that SPEED of LIGHT is 3*(10^8) m/s. Since, distance = speed * time.


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