Question

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 1

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.