A lamp that emits photons of wavelength 200nm is used un a photoelectric effect demonstration. i) What is the intensity of light onto a 0.01-m^2 area will lead to a current of 5mA? ii) What is the de Broglie wavelength of an electron ejected from gold (w0 = 4.82 eV) by these photons? iii) Would a photon of longer or shorter wavelength give the electron more kinetic enegery? Explain
A lamp that emits photons of wavelength 200nm is used un a photoelectric effect demonstration. i) What is the intensity of light onto a 0.01-m^2 area will lead to a current of 5mA? ii) What is the de Broglie wavelength of an electron ejected from gold (w0 = 4.82 eV) by these photons? iii) Would a photon of longer or shorter wavelength give the electron more kinetic enegery? Explain
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A lamp that emits photons of wavelength 200nm is used un a
i) What is the intensity of light onto a 0.01-m^2 area will lead to a current of 5mA?
ii) What is the de Broglie wavelength of an electron ejected from gold (w0 = 4.82 eV) by these photons?
iii) Would a photon of longer or shorter wavelength give the electron more kinetic enegery? Explain
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