Physics · Wave Motion and Sound
On which of the following principles does a stethoscope used by doctors work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Electromagnetic induction
- 2Superposition or reflection of sound waves✓
- 3Photoelectric effect
- 4Refraction of light
Correct answer
Superposition or reflection of sound waves
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