The dual nature of light exhibited by

  1. diffraction and photoelectric effect
  2. diffraction and reflection
  3. refraction and interference
  4. photoelectric effect

Answer (Detailed Solution Below)

Option 1 : diffraction and photoelectric effect
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Detailed Solution

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CONCEPT:

  • Light: It is an electromagnetic wave.
    • Light shows dual nature i.e. wave and particle.

Phenomenon explaining the wave nature of light is/are:

  1. Interference
  2. Diffraction
  3. Polarisation

Phenomenons explaining the particle nature of light are:

  1. Photoelectric effect
  2. Compton Scattering
  • Photons associated with light shows that the energy is Quantised and occurs in discrete levels.

EXPLANATION:

  • From the above discussion, the dual nature of light is exhibited by diffraction and the photoelectric effect . So option 1 is correct.
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