Question

13.
The work function (w.) of Li, K, Mg, Ag
and Cuu are 2.42, 2.25, 3.70, 4.30 and 4.80
eV respectively. The number of metals
which undergo photoelectric effect if a
radiation of wavelength 540 nm falls on
them is (1 eV = 1.602 x 10-19)​

Answer 1

Answer:

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