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In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of incident

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asked Jan 8, 2018 in Physics by sforrest072 (157,439 points) ● 63 ● 452 ● 1320
edited Mar 5, 2018 by Vikash Kumar

In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of incident light is found to be 4.12 × 10−15 V s. Calculate the value of Planck’s constant.

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answered Jan 8, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 24
selected Jan 8, 2018 by sforrest072
 
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The slope of the cut-off voltage (V) versus frequency (ν) of an incident light is given as:

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