Ultraviolet light of wavelength 250 nm falls on the metal emitter of a photocell. If the stopping potential is 1.2 V, find the work functions of the metal. Will the photocell work if yellow light of wavelength 600 nm is used? Take h= 6.6 x 10 34 Js. Js.

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Ultraviolet light of wavelength 250 nm falls on the
metal emitter of a photocell. If the stopping potential
is 1.2 V, find the work functions of the metal. Will the
photocell work if yellow light of wavelength 600 nm
is used? Take h= 6.6 × 10 34 Js.
Transcribed Image Text:Ultraviolet light of wavelength 250 nm falls on the metal emitter of a photocell. If the stopping potential is 1.2 V, find the work functions of the metal. Will the photocell work if yellow light of wavelength 600 nm is used? Take h= 6.6 × 10 34 Js.
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