Diffraction of Waves MCQs Quiz Online PDF Download

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MCQs on Diffraction of WavesQuiz PDF Download

MCQ: Effect of diffraction is greatest if waves pass through a gap with width equal to

  1. frequency
  2. wavelength
  3. amplitude
  4. wavefront


MCQ: Visible light has wavelength of

  1. 5 × 10-7 m
  2. 3 × 108 m
  3. 6 × 10³ m
  4. 4 × 104 m


MCQ: For listening radio in cars, external radio aerials are used because

  1. radio waves have shorter wavelength
  2. radio waves have longer wavelength
  3. radio waves cannot pass through window
  4. radio waves require a medium to propagate


MCQ: Spreading of wave as it passes through a gap or around an edge is called

  1. reflection
  2. refraction
  3. diffraction
  4. superposition


MCQ: Microwaves have wavelength of about

  1. 10 cm
  2. 20 cm
  3. 30 cm
  4. 40 cm