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Class 10 Physics Competitive Exam: Certification Test 349

Echo of Sound Notes App Download & PDF e-Book - 349

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MCQ: 349

When sound is incident on the surface of a medium it bounces back into the first medium. The phenomenon is called

  1. refraction of sound
  2. deflection of sound
  3. defraction of sound
  4. reflection of sound

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Echo of Sound Competitive Exam: Class 10 Physics App & eBook Notes

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Echo of Sound Notes App (iOS & Android)

Echo of Sound Notes App

10th Grade Physics Notes App (Android & iOS)

10th Grade Physics Notes App

9th Grade Physics Notes App (Android & iOS)

9th Grade Physics Notes App

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O Level Physics Notes App