hcλ1=hcλ0+V01 e ... ... ... (i0 ; hcλ2=hcλ0+V02 e ... ... (ii)
(i)-(ii)⇒hcλ1-hcλ2=e(V01-V02)
⇒6.626×10-34×3×1081250×10-9-1300×10-9
=1.609×10-194-V02
অতএব, V02=3.176382846 V
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