The work function for a metal is 4 eV. To eject the photo electrons with zero velocity the wavelength of the incident light should be

The work function for a metal is 4 eV. To eject the photo electrons wi

1.	The work function for a metal is 4 eV. To eject the photo electrons with zero velocity the wavelength of the incident light should be
Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`(<a href="https://interviewquestions.tuteehub.com/tag/hc-1016346" style="font-weight:bold;" target="_blank" title="Click to know more about HC">HC</a>)/(<a href="https://interviewquestions.tuteehub.com/tag/lambda-539003" style="font-weight:bold;" target="_blank" title="Click to know more about LAMBDA">LAMBDA</a>) = 1+ phi …. (1) implies3 xx (hc)/(lambda) = <a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> + phi ….(2)` <br/> On solving `phi = 0.5`</body></html>