Question

TONTORROELL
The work function of a metal is 1.72 eV. The
threshold wavelength for it is nearly
(A) 6400 Å
(B) 7200 Å
(C) 8000 Å
(D) 1240 Å​

Answer 1

Explanation:

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Answer 2

Answer:

(A)6400Å 000000000000000000