A photo sensitive material would emit electrons, if excited by photons beyond a threshold. To overcome the threshold, one would increase

The voltage applied to the light source

A photo sensitive material would emit electrons, if excited by photons

1.	A photo sensitive material would emit electrons, if excited by photons beyond a threshold. To overcome the threshold, one would increase
A.	The voltage applied to the light source
B.	Intensity of light
C.	The wavelength of light
D.	The frequency of light
Answer» E.

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A photo sensitive material would emit electrons, if excited by photons beyond a threshold. To overcome the threshold, one would increase

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