EASYMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryAtomic StructureIntro
The minimum frequency ν₀, below which the photoelectric effect is not observed, is called
0.Threshold frequency
1.Minimum frequency
2.Lowest frequency
3.Cut-off frequency
Explanation
The threshold frequency (ν₀) is the minimum frequency below which no photoelectrons are emitted, regardless of intensity.
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