Physics · Sound
A stethoscope helps a doctor hear a patient’s heartbeat clearly. Which principle does a stethoscope use for this purpose?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Multiple reflection of sound✓
- 2Interference of sound
- 3Refraction of sound
- 4Diffraction of sound
Correct answer
Multiple reflection of sound
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