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The work function of metal is 5.3 eV. What is threshold frequency?

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The work function of metal is 5.3 eV. What is threshold frequency?

(A) 3.1 × 1015 Hz

(B) 3.1 × 1045 Hz

(C) 1.3 × 1015 Hz

(D) 1.3 × 1045 Hz

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The correct option is (C) 1.3 × 1015 Hz.

Explanation:

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