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    4. De Broglie Relationship MCQ - Practice Questions with Answers

    De Broglie Relationship MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

    Quick Facts

    • Debroglie wavelength is considered one the most difficult concept.

    • 16 Questions around this concept.

    Solve by difficulty

    QuestionEASY

    The de-Broglie wavelength of a particle of mass 6.63 g moving with a velocity of 100 ms-1 is: 

     

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    Calculate the wavelength (in nanometre) associated with a proton moving at 1.0 x 103 ms-1 (Mass of proton = 1.67 × 10-27 kg and h = 6.63 × 10-34 Js)

    View Solution

    A 0.66 kg ball is moving at a speed of 100 m/s. The associated wavelength will be (h = 6.6 x 10-34 Js)

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    The de Broglie wavelength of a tennis ball of mass 60g moving with a velocity of 10  metres per second is approximately

    \left ( Planck'\! s \: constant, h= 6.63 \times 10^{-34}Js\right )

    View Solution

    Concepts Covered - 1

    Debroglie wavelength

    De-broglie wavelength

    \lambda = \frac{h}{mv}= \frac{h}{p}

    where m is the mass of the particle

    v its velocity 

    p its momentum

    Bohr model and de-broglie principle :

    Bohr model,  mvr=\frac{nh}{2\pi}

    Debroglie, p=\frac{h}{\lambda }

    Combining the two

    2\pi r=n\lambda

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    Debroglie wavelength

    Study other Related Concepts

    De Broglie Relationship Current Topic

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    Zeeman and Stark's effect.
    De Broglie Relationship

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    Debroglie wavelength

    Chemistry Part I Textbook for Class XI

    Page No. : 49

    Line : 25

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