The work function of caesium metal is 2.15 {\eV}. When light of frequency 6 \\times10^{14} {\Hz} is incident on metal surface, photoemission occurs. Maximum kinetic energy of emitted photon electron will be

Correct Answer is : 0.54×10−19J

NEET 2022 Model Paper 4

Question : 5 of 200

Marks: +1, -0

The work function of caesium metal is 2.15‌eV. When light of frequency 6×1014‌Hz is incident on metal surface, photoemission occurs. Maximum kinetic energy of emitted photon electron will be

1.52×10−19J
0.54×10−19J
3.2×10−19J
4.68×10−20J

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