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The photoelectric threshold wevelength for potassium (work function being 2 eV) is

The photoelectric threshold wevelength for potassium (work function being 2 eV) is

Options

(a) 620 nm
(b) 310 nm
(c) 1200 nm
(d) 2100 nm

Correct Answer:

620 nm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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