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AP EAMCET202523 May 2025Evening ShiftPhysicsDual Nature of MatterActual

If the de Broglie wavelength of an electron is 2 nm, then its kinetic energy is nearly (Planck's constant =6.6 10⁻³⁴ ~J ~s and mass of electron =9 10⁻³¹ ~kg )

Options

  1. A0.48 eV
  2. B0.68 eV
  3. C0.38 eV
  4. D0.25 eV

Correct answer

C. 0.38 eV

Step-by-step solution

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