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  • Physics: Optics, Waves, and Acoustics
  • In a doctor's stethoscope, the sound is intensified becau...
Multiple choice

In a doctor's stethoscope, the sound is intensified because of

  1. resonance of sound

  2. constructive interference

  3. principle of superposition of waves

  4. reflection of sound

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Option 4 is correct.

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