ScienceCLASS 9CBSE
answered 27 Mar 2026Give two practical applications of the reflection of sound waves.
A.VERIFIED ANSWERfact-checked by tutors
Solution:
(i) Reflection of sound is used to measure the speed and distance of underwater objects. This method is called SONAR.
(ii) Working of a stethoscope – The sound of a patient’s heartbeat reaches the doctor’s ear through multiple reflections of sound.