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JIPMER 2008
Exam
JIPMER
Year
2008
Subject
Chemistry
Chapter
Structure of Atom

JIPMER 2008 · Chemistry · Structure of Atom

The de-Broglie wavelenght of a particle with mass 1 kg and velocity...

The de-Broglie wavelenght of a particle with mass 1 kg and velocity (100 \mathrm{~m} / \mathrm{s}) is

Options

  1. A(6.6 \times 10^{-33} \mathrm{~m})
  2. B(6.6 \times 10^{-36} \mathrm{~m})
  3. C(3.3 \times 10^{+33} \mathrm{~m})
  4. D(3.3 \times 10^{-36} \mathrm{~m})

Correct answer

B. (6.6 \times 10^{-36} \mathrm{~m})

Step-by-step solution

∴λ=hmv=6.6×10−341×100=6.6×10−36 m\begin{aligned} \therefore \lambda & =\frac{h}{m v}=\frac{6.6 \times 10^{-34}}{1 \times 100} \\ & =6.6 \times 10^{-36} \mathrm{~m} \end{aligned})$
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