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Chemistry Structure of Atom JEE Main 2022 Single Correct MCQ
Published on: August 13, 2026

The minimum energy that must be possessed by photons in order to produce the photoelectric effect with platinum metal is:

[Given: The threshold frequency of platinum is 1.3 x10 15 s -1 and h = 6.6x10 -34 Js.]

A
3.21 x 10 44 J
B
6.24 x 10 -16 J
C
8.58 x 10 -19 J
D
9.76 x 10 -20 J

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Verified by Experts
The correct answer is:
C

= 6.6x 10 -34 x1.3x10 15

= 8.58 x 10 -19 J

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