Why the ultrasonic waves reflect back in SONAR? How they are subjected for reflecting back?

Asked by  | 7th Mar, 2008, 10:03: PM

Expert Answer:

Refer to NCERT book, chapter: Sound with topic SONAR.



Answered by  | 11th Mar, 2008, 09:36: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.