Q. 6 Light consisting of wavelength 400 nm to 800 nm falls on a metal plate A having work function 1.5eV and saturation current 10 mA. Now the same light is incident on a metal plate B having work function 2.0eV. Take spectral radiancy of light is uniform and take hc 1240eV-nm. Then choose the correct option(s). Answer Stopping potential for metal A is 3.1 volt Stopping potential for metal B is 1.1 volt Saturation current for metal B is 5.5 mA Stopping potential for metal A is 1.6 volt
Q. 6 Light consisting of wavelength 400 nm to 800 nm falls on a metal plate A having work function 1.5eV and saturation current 10 mA. Now the same light is incident on a metal plate B having work function 2.0eV. Take spectral radiancy of light is uniform and take hc 1240eV-nm. Then choose the correct option(s). Answer Stopping potential for metal A is 3.1 volt Stopping potential for metal B is 1.1 volt Saturation current for metal B is 5.5 mA Stopping potential for metal A is 1.6 volt
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I6
Transcribed Image Text:Q.6
Light consisting of wavelength 400 nm to 800 nm falls on a metal plate A having work function 1.5eV and saturation current 10 mA.
Now the same light is incident on a metal plate B having work function 2.0eV. Take spectral radiancy of light is uniform and take
hc 1240eV-nm. Then choose the correct option(s).
Answer
Stopping potential for metal A is 3.1 volt
Stopping potential for metal B is 1.1 volt
Saturation current for metal B is 5.5 mA
(D) Stopping potential for metal A is 1.6 volt
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