The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal to that of a photon. The ratio of the kinetic energy of the electron to the energy of the photon is

Options

(a) (1/4)
(b) (1/2)
(c) 2
(d) 4

Correct Answer:

(1/4)

Explanation:

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