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Work function of potassium is 2.30 eV.Fi...

Work function of potassium is 2.30 eV.Find
(a)threshold frequency of potassium (b)the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60 V

Text Solution

Verified by Experts

(a)`V_(0)=5.55xx10^(14)Hz,` (b)`lambda`=429 nm
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The work function of caesium is 2.14 eV.Find (a) the threshold frequency for caesium,and (b)The wavelength of the incident light if the photocurrent is brought to zero by stopping potential of 0.60 V.

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Knowledge Check

  • The work function of caesium is 2.14 eV.Find (a)the threshold frequency for caesium,and (b)the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60 V.

    A
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    B
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    C
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    D
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