Question

Find the minimum distance of the reflector to hear echo of the word 'Beautiful'.​

Answer 1

Answer:

16.5m

Explanation:

To hear a echo the minimum Distance required is 16.5m from the reflecting sound

Answer 2

Explanation:

• The minimum distance from reflector is 16.6 m. Answer: To hear an echo, the sound wave has to reach an obstacle and then return back to you..........