Radiation of wavelength 5 x 10-7 m is incident on the cathode of a photocell. The current in the photocell is reduced to zero by a stopping potential of 3V. find the threshold wavelength for the cathode.

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A: To find-Threshold wavelength cathode (λ0)=?Given-λ of incident light=2×10-7 mStopping potential=2…

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Q: Radiation of wavelength 5 x 10-7 m is incident on the cathode of a photocell. The current in the…

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