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The threshold frequency for a certain metal is 3.3 × 10^14 Hz. If light of frequency

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asked Jan 8, 2018 in Physics by sforrest072 (157,439 points) ● 61 ● 410 ● 943
edited Mar 5, 2018 by Vikash Kumar

The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light of frequency 8.2×1014 Hz is incident on the metal, predict the cut-off voltage for the photoelectric emission.

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answered Jan 8, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Jan 8, 2018 by sforrest072
 
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Cut-off voltage for the photoelectric emission from the metal = vo
The equation for the cut-off energy is given as:

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