Question

1 In a stormy day a boy observes a lightning flash which is followed by a thunder 3 secs later. How would you estimate the distance of the lightening strike from the boy. [Given velocity of sound on that day = 332 m/s, velocity of light (c) = 3  108m/s]

Answer 1

Answer:

what should we have to find...

and I can't understand...

Answer 2

Explanation:

I have attached the solution.