When a sound is reflected from a distant object, an echo is produced. Let the distance between the reflecting surface and the source of sound production remains the same. Do you hear echo sounds on a hotter day?

On a bright winter's day, a coach notices an echo as he walks between a high school's playing field and the rear wall of its auditorium. He decides to estimate how far he stands from the reflective wall. He abruptly claps and determines that the sound pulse returns to his as an echo 0.523 seconds later (averaging several trials for enhanced reliability). The air is a frigid −10°C.Six months later, the coach decides to repeat his experiment on a hot summer day, standing at the same exact spot. This time, the echo takes a slightly shorter 0.484 seconds to return to the coach.(a)What is the temperature (in °C) of the air on the summer day? °C(b)How far (in m) does the coach stand from the reflective wall?

To hear a distinct echo, time interval between original sound and reflected sound must beSelect an answerA0.2 secB1 secC0.1 secD2 sec

You can hear an echo when the sound wave reflects from the wall and reaches you.If you hear an echo, 4 seconds after you produce the sound, how far is the wall?Use a speed of sound of 340 m/s for this question.  340 meters away from you You Answered  1360 meters away from you Correct Answer  680 meters away from you   10 meters away from you

Name the waves used for echo depth sounding

Echo of sound wave is due toSelect an answerArefractionBreflectionCdiffractionDNone of these