A pair of silver plates in a vacuum are separated by 1 cm and have a potential difference of 2.0 kV between them. What is the largest wavelength of light that can be shined on the cathode to produce a current through the anode?
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A pair of silver plates in a vacuum are separated by 1 cm and have a potential difference of 2.0 kV between them. What is the largest wavelength of light that can be shined on the cathode to produce a current through the anode?
A. 1.2 x 10-11 m
B. 8.0 x 10-11 m
C. 9.8 x 10-11 m
D. 6.2 x 10-10 m
E. 1.2 x 10-9 m
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