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Question 15: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter

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Question 15: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter

What is the de Broglie wavelength of
(a) a bullet of mass 0.040 kg travelling at the speed of 1.0 km s-1
(b) a ball of mass 0.060 kg moving at a speed of 1.0 ms-1, and
(c) a dust particle of mass 1.0 × 10-9 kg drifting with a speed of 2.2 m s-1?

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  1. Solution:
    de Broglie wavelength

    (a) Wavelength associated with bullet

    (b) Wavelength associated with ball

    (c) Wavelength associated with dust particle

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