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the work function of platinum is 6.35ev. The frequency of light must be used to eject...

the work function of platinum is 6.35ev. The frequency of light must be used to eject electrons for a platinum surface the maximum kinetic energy is 2.90x10^-19

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Answer #1

&= 6.35 ev = 6.35% (1.6x1019 J = 10.16x1019 J Kmax = hf-o. hf= kmax +$ = (2.9 81019)+ (1006x109) >(6.626x1034) f = 13.06 X101

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Answer #2

The answer for above problem is explained below.

quency of Ught 19 6.35 ev 19 18 6.626 x oS 6.626 X 1o34+ J.S 15

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Answer #3

I cv Maximum K:nette energy, as 22-90X10-ng uwe Krow tet 5 J

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