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AP EAMCET2012PhysicsDual Nature of Matter

The de-Broglie wavelength of an electron moving with a velocity of 1.5 10^8 ~m / s is equal to that of a photon. The ratio of kinetic energy of the electron to that of the photon (c=3 10^8 ~m / s )

Options

  1. A2
  2. B4
  3. C1 2
  4. D1 4

Correct answer

D. 1 4

Step-by-step solution

The ratio of kinetic energy of the electron to that of the photon. aligned & = v 2 c & = 1.5 10^8 2 3 10^8 = 1 4 aligned

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