Question

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800A^0. The threshold frequency of the metal is: * 3 points a) 2.41 x 10^14s-1 b) 4.41 x 10^14s-1 c) 23.6 x 10^14s-1 d) 2.41 x 10^-14s-1​

Answer 1

Answer:

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Answer 2

Answer:

b) 4.41 x 10^14s-1

Explanation:

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