Read about The photoelectric effect and write a lab report about it...

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Read about The photoelectric effect and write a lab report about it.

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Objective
Fotoelectric effect is a phenomenon where electrons are emitted from a surface irradiated by light of certain wavelength. The energy of the electrons depends only on the wavelength, and the photocurrent detected depends on the flux of radiation. By knowing the incident wavelength, and measuring the voltage needed to stop the photocurrent, we can determine the electron energy and calculate the work function of the material. Another fundamental quantity we can determine from this experiment is the value of Planckā€˜s constant.
Apparatus
The main parts of the device are the photocatode, from which the electrons are emitted, and the anode, where...

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