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09-01-2024
Chemistry

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What is the minimum energy that proton must possess in order to produce photoelectric effect with platinum metal? The threshold frequency for platinum is 1.3×10¹⁵s⁻¹
A. 8.6×10¹² erg
B. 8.6×10¹⁴ erg
C. 3.6×10¹² erg
D. 6.6×10¹² erg

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