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Quantum theory — Question 40

Original QCE Vault practice · 1 mark

Q40 · Practice questionComplex familiar1 mark

QUESTION 40

Photons of energy

6.0\,\text{eV}

strike a metal with work function

2.2\,\text{eV}

. The maximum photoelectron kinetic energy is

(A)

2.2\,\text{eV}

(B)

3.8\,\text{eV}

(C)

6.0\,\text{eV}

(D)

8.2\,\text{eV}

ABCD

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