find the wavelength of photon (in m) if the mass of photon is equal to mass of electron and having 2×10^6 m/ sec velocity.
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C = v × wavelength
3×10^8 = 2 × 10^6 × wavelength
Wavelength = 1.5×10^2 m
3×10^8 = 2 × 10^6 × wavelength
Wavelength = 1.5×10^2 m
deborglie:
why the mass of photon is given in question
wrong answer
according to your formula v is velocity but inactual v (nu) is a frequency
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