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13 Nov 2021

Given information

Kinetic energy of emitted electron    

Wavelength of X-ray photon    

Step-by-step explanation

Step 1.

Value of Planck’s constant   is

Kinetic energy of emitted electron is  

The conversion of to is done as,

 

Therefore, the K.E. becomes as,

            

 

The wavelength of X-ray photon is

The conversion of   to  is done as,

 

Therefore,

        

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