Question

Ravi saw a cracker burst at night at some distance from his house. He heard the

sound of the cracker a little after the seeing the flash of cracker burst . Explain why

there was a delay in hearing the sound of the cracker?

ii) What is the lowest and highest limit of audible sound frequency ?​

Answer 1

Answer:

There was a delay in hearing the sound of the cracker as light travels faster than sound waves.

ii) 2o Hz - 20000 Hz or 2o kHz