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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > In a photocell, with excitation wavelength lemda, the faster electron has speed v. If the excitation wavelength is changed to 3 lemda /4, the speed of the fastest electron will be

In a photocell, with excitation wavelength lemda, the faster electron has speed v. If the excitation wavelength is changed to 3 lemda /4, the speed of the fastest electron will be

In a photocell the faster electron has speed v. If the excitation wavelength is changed to 3 lemda /4 the speed of the fastest electron will be with excitation wavelength lemda