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UPSEE: Important Questions and Preparation Tips – Dual Nature of Radiation & Matter

Nov 23, 2017 15:45 IST
    Dual Nature of Radiation & Matter
    Dual Nature of Radiation & Matter

    In this article, UPSEE aspirants will get chapter notes of chapter Dual Nature of Radiation & Matter based on the latest syllabus of UPSEE Entrance Examination 2018. About 1-2 questions are being asked every year in the examination.

    About the chapter notes:

    These notes are prepared by Subject Experts after doing the detailed analysis of some previous year papers of UPSEE entrance examination.

    In these chapter notes, they have included all important topics related to chapter Dual Nature of Radiation & Matter like work function, photo-electric effect work function, Einstein’s photoelectric equation, photon, wave nature of matter etc.

    The concept given in these notes is in very concise form and can be used for quick revision just before the examination.

    To make aspirants understand the concepts, they have also included some solved questions.

    About the exam:

    Uttar Pradesh State Entrance Examination (UPSEE) is a state level engineering entrance examination for degree level engineering institutions and other professional colleges. It is regulated by Dr. A.P.J. Abdul Kalam Technical University (AKTU) formerly known as Uttar Pradesh Technical University (UPTU).

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    Important Concepts:

    UPSEE Dual nature concepts 1

    UPSEE Solved Physics Question Paper: 2015

    UPSEE Dual nature concepts 2

    Some previous year solved questions are given below:

    Question 1:

    The log-log graph between the energy E of an electron and its de-Broglie wavelength λ will
    be

    UPSEE Dual Nature matter Q1

    Solution 1:

    UPSEE Dual Nature matter S1

    Hence, the correct option is (a).

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    Question 2:

    The surface of the metal is illuminated with the light of 400 nm. The kinetic energy of the
    ejected photoelectrons was found to be 1.68 eV, the work function of metal is

    (a)1.51eV

    (b)1.42eV

    (c)3.0eV

    (d)1.68eV

    Solution 2:

    UPSEE Dual Nature matter S2

    Hence, the correct option is (b).

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    Question 3:

    UPSEE Dual Nature matter Q3

    Solution 3:

    UPSEE Dual Nature matter S3

    Hence, the correct option is (c).

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    Question 4:

    UPSEE Dual Nature matter Q4

    Solution 4:

     UPSEE Dual Nature matter S4

    Hence, the correct option is (b).

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