A photoemissive cell C is connected to a low resistance circuit consisting of cells and a microammeter G, as shown. Electromagnetic radiation falls on the photocathode P.
In which of the following ways does the current I registered by G vary with the intensity of radiation $I_{V}$ ?

Question

A photoemissive cell C is connected to a low resistance circuit consisting of cells and a microammeter G, as shown. Electromagnetic radiation falls on the photocathode P.

In which of the following ways does the current I registered by G vary with the intensity of radiation $I_{V}$ ?

TestHub · Accepted Answer

i = h ν eη I A ​ At fixed frequency and collection efficiency, current is proportional to intensity. Choose the straight line through the origin.

Physics - Modern Physics Question with Solution | TestHub

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