Multiple Choice
A photocell is a device that operates using the photoelectric effect. What metal would enable a photocell to be operated using visible light?
A) manganese (φ = 4.1 eV)
B) lanthanum (φ = 3.5 eV)
C) cesium (φ = 1.95 eV)
D) beryllium (φ = 4.98 eV)
Correct Answer:
Verified
Correct Answer:
Verified
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