What is a stethoscope? Name the principle on which a stethoscope works.

Discussion in 'CBSE Class 9 Physics Help' started by Vinila Choudary, Feb 29, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    Stethoscope is a medical instrument used for listening sounds produced within the body, chiefly in the heart or lungs. Stethoscope works on the principle of multiple reflection of sound.

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