Interference MCQs Quiz Online PDF Download

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MCQs on InterferenceQuiz PDF Download

MCQ: For destructive interference, path difference is

  1. odd number of half wavelengths
  2. even number of half wavelengths
  3. whole number of wavelengths
  4. even whole number of wavelengths


MCQ: Constructive interference happens when two waves are

  1. out of phase
  2. zero amplitude
  3. in phase
  4. in front


MCQ: Two waves with phase difference 180° have resultant of amplitude

  1. one
  2. zero
  3. same as the single wave
  4. doubles the single wave


MCQ: If two waves are in phase and have same amplitude then resultant wave has

  1. half of amplitude of single wave
  2. same amplitude as single wave
  3. twice of amplitude of single wave
  4. thrice of amplitude of single wave


MCQ: Extra distance travelled by one of waves compared with other is called

  1. path
  2. displacement
  3. phase difference
  4. path difference