JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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If the de-Broglie wavelength of a particle of mass

m

is 100 times its velocity, then its value in terms of its mass (

{m}

) and Planck's constant

(h)

View answer and explanation

Correct option: B

10 \sqrt{\frac{{h}}{{m}}}

Option B (

10 \sqrt{\frac{{h}}{{m}}}

) is correct because it is derived from the de Broglie wavelength formula,

\lambda = \frac{h}{mv}

, where the velocity is given as

\frac{\lambda}{100}

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\ell = 1,\,\,m = 0

1.25 \times {10^{ - 13}} \times {A^{1/3}}\mathrm{cm}.