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Question 12: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter

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Question 12: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter

Calculate the
(a) momentum, and
(b) de Broglie wavelength of the electrons accelerated through a potential difference of 56 V.

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  1. Solution:
    An electron which is accelerated through a potential difference of 56 V will have kinetic energy K = 56 eV
    (a) Momentum associated with accelerated electron

    (b) Wavelength of electron accelerated

    Check the complete chapter with solutions.
    NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter