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Quantum theory — Question 41

Original QCE Vault practice · 1 mark

Q41 · Practice questionComplex familiar1 mark

QUESTION 41

A metal has work function

2.50\,\text{eV}

. Its threshold frequency is closest to

(A)

3.02\times10^{14}\,\text{Hz}

(B)

6.04\times10^{14}\,\text{Hz}

(C)

1.21\times10^{15}\,\text{Hz}

(D)

2.50\times10^{15}\,\text{Hz}

ABCD

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