The cutoff frequency below which no electrons are emitted


Question: Millikan's photoelectric data for a lithium cathode are:

1705_nm.png

Make a plot of the stopping potential versus frequency and find:

a. The value of Planck's constant.

b. The work function of lithium.

c. The cutoff frequency below which no electrons are emitted from the lithium cathode.

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Physics: The cutoff frequency below which no electrons are emitted
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