JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves JEE PYQ-Photo Electric Effect X-rays

  • question_answer
    Match List - I (Experiment performed) with List-II (Phenomena discovered/associated) and select the correct option from the options given below the lists:   [JEE ONLINE 19-04-2014]
    List –I List-II
    (1) Davisson and Germer experiment (i) Wave nature of electrons
    (2) Millikan’s oil drop experiment (ii) Charge of an electron
    (3) Rutherford experiment (iii) Quantization of energy levels
    (4) Franch-Hertz experiment (iv) Existence of nuleus

    A) (1)-(i), (2)-(ii), (3)-(iii), (4)-(iv)

    B) (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)

    Correct Answer: B

    Solution :

    [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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