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Light Emitting Diode

the work func...

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the work functionof a surface of a photosensitive material is 6.2eV. The wavelength of the incident radiationfor which the stopping potential is 5

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Q. The work function of a surface of a photosensitive material is

6.2 e V

. The wavelength of the incident radiation for which the stopping potential is

5 V l i e s

Q. The work function of the surface of a photosensitive material is 6.2 eV. The wavelength of the incident radiation for which the stopping potential is 5 V lies in the :

Q. The work function of a surface of a photosensitive material is 6.2 eV. The wave length of incident radiation for which the stopping potential is 5V lies in the

Q. When light of wavelength '

λ

' is incident on photosensitive surface, the stopping potential is

^{'} V^{'}

. When light of wavelength '

3 λ

' is incident on same surface, the stopping potential is

\frac{^{'} V^{'}}{6}

. Threshold wavelength for the surface is :

Q. Light wavelength

300 n m

in incident on a photosensitive surface. The stopping potential for emitted photoelectrons is

2.5 V

. The wavelength of incident light is reduced to

150 n m

. The stopping potential of emitted photoelectrons is

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