Question

Two men, at points P and Q, are facing a

flat and hard wall as shown. When the

man at point P makes a clap, man at point

Q hears two claps. If the speed of sound is

320 m s-1

, then what is the time interval

between the two claps heard by man at

point Q?

A) 0.32 s

B) 0.67 s

C) 1.25 s

D) 2.50 s

plz answer it fast plz
and plz don't do silly comments​​

Answer 1

Answer:

in there are 2 men's if one guy had claped how come he can hear 2 claps useless questions