Early photoelectric light detectors were based on cesium. Cesium metal has a work function of 3.43 J. What is the longest wavelength of light that could be detected with one of these detectors?
A)759 nm
B)579 nm
C)679 nm
D)767 nm
E)455 nm

Question

Early photoelectric light detectors were based on cesium. Cesium metal has a work function of 3.43  J. What is the longest wavelength of light that could be detected with one of these detectors?
A)759 nm 
B)579 nm 
C)679 nm 
D)767 nm 
E)455 nm

Quizplus · Accepted Answer

The Answer of Early photoelectric light detectors were based on cesium. Cesium metal has a work function of 3.43  J. What is the longest wavelength of light that could be detected with one of these detectors?
A)759 nm 
B)579 nm 
C)679 nm 
D)767 nm 
E)455 nm

Early Photoelectric Light Detectors Were Based on Cesium