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Calculate the mass of a photon with wave...

Calculate the mass of a photon with wavelength 3.6 Å.

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`lamda=3.6Å=3.6xx10^(-10)m`
Velocity of photon = velocity of light
`m=(h)/(lamdav)=(6.26xx10^(-34)"Js")/((3.6xx10^(-10)m)(3xx10^(8)"ms"^(-1)))`
`=6.135xx10^(-29)"kg"`
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