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MHT CET202013 Oct 2020Morning ShiftPhysicsDual Nature of MatterActual

If the kinetic energy of a particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is

Options

  1. A75
  2. B25
  3. C50
  4. D5

Correct answer

A. 75

Step-by-step solution

Kinetic energy k= p² 2 m where p is momentum k ₂ k ₁ = P ₂² P ₁² P ₂ P ₁ = k ₂ k ₁ = 16 =4 de Broglie wavelength = h P ₂ ₁ = P₁ P₂ = 1 4 ₂= ₁ 4 ₁- ₂= 3 4 ₁

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