The mass of a photon of wavelength 1.54 Å is

1.	The mass of a photon of wavelength 1.54 Å is
Answer» `2.5xx10^(-32)` kg `1.42xx10^(32)` kg Both of these None of these Solution :`lambda =H/(MV)=h/(lambdav)` where `v=3xx10^(8)m//sh=6.625xx10^(-34)` Js `lambda =1.54xx10^(-10)`m `:. M=1.42xx10^(-32)` kg

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