is there any expert online answer please
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We know E=k.E.+W
W=Work function
K.E.= Kinetic energy
E=Energy of electron
W=E-k.E.=(hc/wavelength)-K.E.
Now put the values and get the ans.
W=Work function
K.E.= Kinetic energy
E=Energy of electron
W=E-k.E.=(hc/wavelength)-K.E.
Now put the values and get the ans.
purnitanath:
ohoh so i can use here Planck's constnt value 6.62×10^-34
ok i got it dadaa
thank u
i thought u r older than me that's why i called ...ok sir
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