Physics, asked by rEhdkhusankat6anya, 1 year ago

Find a retarding potential required to stop the escape of photoelectrons from the metal surface of work function 1.07 electron volts which is irradiated with light of wavelength 332 NM

Answers

Answered by abhi178
7
use Einstein theory
Vo=hc/e£-¤ /e
where h is plank constant ,
Vo is retarding potential
c is speed of light
£ is wavelength of radiation
e is electron and ¤ is work function
now ,
Vo=(1237.5/332-1.07) volt
=2.6574 volt
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