Physics, asked by Year8990, 11 months ago

Which metal will be suitable for a photoelectric cell using
light of wavelength 4000Å. The work functions of sodium
and copper are respectively 2.0 eV and 4.0 eV.
(a) Sodium (b) Copper
(c) Both (d) None of these

Answers

Answered by harshitaczone9

0

Answer:

(c)

Explanation:

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