DUAL NATURE OF MATTER AND RADIATION (5 marks & 3 marks)

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  1. Describe the experiment to study photoelectric effect and explain the laws of photoelectric effect and the significance of each.
  2. Describe Hertz and Lenards experiment to demonstrate photoelectric effect.
  3. Explain Einstein's photoelectric equation and explain the laws of photoelectric effect using it.
  4. State and explain de Broglie relation for matter waves.
  5. Describe Davisson and Germer experiment which provided experimental evidence for wave nature of matter.
  6. Write the charateristics of Photon.

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