Consider the two following statements A and B and identify …

Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

Consider the two following statements A and B and identify the correct choice given in the answers;

In photovoltaic cells the photoelectric current produced is not proportional to the, intensity of incident light. Both A and B are true

In gas filled photo emissive cells, the velocity of photoelectrons depends on the wavelength of the incident radiation. Both A and B are false

A is true but B is false

A is false B is true

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The correct answer is:

In photovoltaic cells, photoelectric current produced is proportional to the intensity of incident light, so the statement A is false.
The velocity of photoelectrons depends upon the maximum kinetic energy of photoelectrons, which depends on the frequency and hence on the wavelength of incident radiation, so the statement B is true.

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