give practice application of the reflection of sound waves
Answers
Answer:
(a) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR. (b)Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient's heartbeat reaches the doctor's ear by multiple reflections of sound.
Explanation:
1)Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.
2)Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflections of sound.
3)The working of hearing aid is based on the reflection of sound. In hearing aid the sound waves are reflected into a slimmer area so as to direct the sound to the ear.
4)The soundboard is based on the reflection of sound. Here, the sound waves are uniformly reflected can be seen in the auditorium. This helps in improving quality.