Calculate the mass of a photon with wavelegth 3.6 Aº?
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lamda = 3.6 angstrom = 3.6 x 10^-10 m
velocity of photon = velocity of light
m = h/lamda*v ( from de-brogile’s equation)
m = 6.626 x 10^-34/3.6 x10^-10 x 3 x 10^8
m = 6.626 x 10^-32/10.8
m = 0.6135 x 10^-32
m = 6.135 x 10^-33 kg
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Answer:
lamda = 3.6 angstrom = 3.6 x 10^-10 m
velocity of photon = velocity of light
m = h/lamda*v ( from de-brogile’s equation)
m = 6.626 x 10^-34/3.6 x10^-10 x 3 x 10^8
m = 6.626 x 10^-32/10.8
m = 0.6135 x 10^-32
m = 6.135 x 10^-33 kg.
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