The threshold frequency for the ejection of electrons from potassium metal is `5.3xx10^(14) s^(-1)`. Will the photon of a radiation having energy `3.3

Question

The threshold frequency for the ejection of electrons from potassium metal is `5.3xx10^(14) s^(-1)`. Will the photon of a radiation having energy `3.3

The threshold frequency for the ejection of electrons from potassium metal is `5.3xx10^(14) s^(-1)`. Will the photon of a radiation having energy `3.3xx10^(-19) J` exhibit photoelectric effect? `(h=6.626xx10^(-34) Js)`

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - No
Work function `W=hv_(0)=6.626xx10^(-34)xx5.3xx10^(14)=3.5xx10^(-19)J`
As `W gt` Energy of photon, photoelectric effect will not be exhibited.

5 views Answered 2023-02-05 15:29