Which instrument work on the basis of reflection of sound waves?
Horoscope
Microscope
Telescope
Stethoscope
Stethoscope works on principle of multiple reflections of sound.
The working of optical instruments like camera, microscope, telescope, etc. having glass lenses is based on a phenomenon of light. Identify the phenomenon
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.