MCQ
Match List $- I$ (Experiment performed) with List $-II$ (Phenomena discovered/associated) and select the correct option from the options given the lists
List $- I$ List $- II$
$(1)$ Davisson and Genner $(i)$ Wave nature of electrons
$(2)$ Millikan's oil drop experiment $(ii)$ Charge of an electron
$(3)$ Rutherford experiment $(iii)$ Quantisation of energy levels
$(4)$ Franck-Hertz experiment $(iv)$ Existence of nucleus
  • A
    $(1 )-(i), (2)-(ii), (3)-(iii), (4)-(iv)$
  • $(1 )-(i), (2)-(ii), (3)-(iv), ( 4)-(iii)$
  • C
    $(1)-(iii), (2)-(iv), (3)-(i), (4)-(ii)$
  • D
    $(1 )-(iv), (2-(iii), (3)-(ii), (4 )-(i)$

Answer

Correct option: B.
$(1 )-(i), (2)-(ii), (3)-(iv), ( 4)-(iii)$
b
$(1)$ Davisson and Gemner experiment-wave nature of electrons.
$(2)$ Millikan's oil drop experiment - charge of an electron.
$(3)$ Rutherford experiment - Existance of nucleus.
$(4)$ Frank-Hertz experiment - Quantisation of energy levels.

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