3. In the photoelectric effect experiment, the graph of current vs battery voltage for a metal...
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3. In the photoelectric effect experiment, the graph of current vs battery voltage for a metal with light of a particular frequency shining on it looks like the curve below. This graph represents current vs voltage for 200 nm light shining onto Cadmium (Cd) which has a work function of 4.07 eV. Explain your reasoning for why this curve has the shape that it does. In your answer, you should address: Why is current level at V>0, why does current go to zero at some negative voltage and what determines that voltage, and why does current start decrease steadily at V <0? Real Observation 0 Battery Voltage Current 3. In the photoelectric effect experiment, the graph of current vs battery voltage for a metal with light of a particular frequency shining on it looks like the curve below. This graph represents current vs voltage for 200 nm light shining onto Cadmium (Cd) which has a work function of 4.07 eV. Explain your reasoning for why this curve has the shape that it does. In your answer, you should address: Why is current level at V>0, why does current go to zero at some negative voltage and what determines that voltage, and why does current start decrease steadily at V <0? Real Observation 0 Battery Voltage Current
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