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 $\times$ 1015 s$-$1 and h = 6.6 $\times$ 10$-$34 J s.]

Question

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 $\times$ 10¹⁵ s^$-$1 and h = 6.6 $\times$ 10^$-$34 J s.]

3.21 $\times$ 10^$-$14 J

6.24 $\times$ 10^$-$16 J

8.58 $\times$ 10^$-$19 J

9.76 $\times$ 10^$-$20 J

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