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i. Suppose the work function for a particular metal is 5.09 eV.

Find the cut-off frequency for this metal:

fco = Hz

ii. Light of frequency 1.72e+15 Hz is incident on this piece of metal.

Find the maximum speed of the photoelectrons emitted:

vmax = m/s

Find the stopping potential for these electrons:

Vstop = V

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Category:- Physics
Reference No.:- M9889080

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