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Question

Which of the following has the largest de-broglie wavelength, provided all have equal velocity?


A

Proton

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B

Ammonia molecule

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C

electron

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D

CO2 molecule

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Solution

The correct option is C

electron


  1. The matter can exhibit wave-particle duality, according to de-Broglie.
  2. The equation below calculates the wavelength is λ=hmv and the same speed λ1m
  3. Where, h=plank'sconstant,m=mass,v=velocity
  4. Because the electron has the smallest mass, its wavelength is the longest.

Hence, the correct answer is an option (C).


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