A stethoscope works on the principle of:

Refraction

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Multiple reflection

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Echo

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Resonance

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Solution

The correct option is B Multiple reflection
Multiple reflection

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Similar questions

Stethoscope works on principle of multiple reflections of sound.

A device which works on the reflection of light from two plane mirrors arranged parallel to one another is:

(a) electroscope

(b) kaleidoscope

(d) stethoscope

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