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Chemistry Structure of Atom General Single Correct MCQ
Published on: August 13, 2026

The qualitative order of Debroglie wavelength for electron, proton and α particle is λ e > λ P > λα if

A
If kinetic energy is same for all particles
B
If the accelerating potential difference 'V' is same for all the particles (from rest)
C
If velocities are same for all particles
D
None of the above

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The correct answer is:
CHECK THE SOLUTION.

(a,b,c)

λ = = = .

When v, KE and V are same, as m increasing, λ decreases. λ e > λ p > λ α (if v, KE and V are same).

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