The wavelength λ of a photon and the de-Broglie wavelength of an electron have the same value. Find the ratio of energy of photon to the kinetic energy of electron in terms of mass m, speed of light c and Planck's constant (h).
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The de-Broglie wavelength of an electron,
……..(i)
Energy of photon,
(since, λ is same for electron and photon) ... (ii)
Kinetic energy of photon to kinetic energy of electron
Substituting the value of v from Eq. (i), we get
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