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AP EAMCET2015ChemistryStructure of Atom

If the kinetic energy of a particle is reduced to half, de-Broglie wavelength becomes

Options

  1. A2 times
  2. B1 2 times
  3. C4 times
  4. D2 times

Correct answer

D. 2 times

Step-by-step solution

aligned & 1 K . E ₁ ₂ = ( KE )₂ ( KE )₁ & KE ₂= ( KE )₁ 2 & Thus, ₁ ₂ = 1 2 ₂= 2 ₁ aligned

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