The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface. 7.5X1014 Hz 5X1014 Hz 5.5X10¹2 Hz 2.5X1014 Hz

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The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface.
7.5X1014 Hz
5X1014 Hz
5.5X10¹2 Hz
2.5X10¹14 Hz
Transcribed Image Text:The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface. 7.5X1014 Hz 5X1014 Hz 5.5X10¹2 Hz 2.5X10¹14 Hz
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