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If the threshold wavelength for a certain metal is 2000 Å, then the work-function of the metal is

(a) 6.21

(b) 6.2eV

(c) 6.2MeV

(d) 6.2keV

Amit Saxena , 11 Years ago
Grade upto college level
anser 1 Answers
Hrishant Goswami

Last Activity: 11 Years ago

(b)

Threshold wavelength (l) = 2000 Å = 2000 × 10-10 m.

Work function

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