Question

Write 3 uses of multiple reflection of wavelength and frequency

Answer 1

Answer:

Megaphone or loudspeakers, horns, musical instruments such as trumpets and shehanais, r all designed to send sound in a particular direction. ... In stethoscope, the sound of the patient's heartbeat reaches the doctors ear by multiple reflection of sound. 3.)

Answer 2

Answer:

Megaphone or loudspeakers, horns, musical instruments such as trumpets and shehanais, r all designed to send sound in a particular direction. ... In stethoscope, the sound of the patient's heartbeat reaches the doctors ear by multiple reflection of sound.