Multiple Choice
A physicist wishes to produce electrons by shining light on a metal surface.The light source emits light with a wavelength of 450 nm.The table lists the only available metals and their work functions.
-Which metal(s) can be used to produce electrons by the photoelectric effect?
A) barium only
B) tungsten only
C) tungsten or tantalum
D) barium or lithium
E) lithium,tantalum,or tungsten
Correct Answer:

Verified
Correct Answer:
Verified
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