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NEET2012PhysicsDual Nature of MatterActual

If the momentum of an electron is changed by p , then the de-Broglie wavelength associated with it changes by 0.5 % . The initial momentum of electron will be

Options

  1. A200 p
  2. B400 p
  3. Cp 200
  4. D100 p

Correct answer

A. 200 p

Step-by-step solution

de-Broglie wavelength Here aligned & = h p | | & = | p p | 0.5 100 & = p p_i p_i & = 100 0.5 p p_i & =200 p aligned

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