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NEET 2022 Model Paper 4

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Question : 5

Total: 200

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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