11th Class Chemistry Structure of Atom / परमाणु संरचना

  • question_answer 15)
    Calculate the mass of a photon with wavelength \[3.6\overset{{}^\circ }{\mathop{A}}\,.\]

    Answer:

    We know, \[\lambda =\frac{h}{m\upsilon }\] \[m=\frac{h}{\lambda \upsilon }=\frac{6.26\times {{10}^{-34}}Js}{3.6\times {{10}^{-10}}m\times 3\times {{10}^{8}}m\,{{\sec }^{-1}}}\] \[=6.135\times {{10}^{-33}}kg\]


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