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JEE Mains · Physics · STD 12 - Dual nature of radiation and matter
  • JEE Mains 2021
  • Medium
  • MCQ

In a photoelectric experiment, increasing the intensity of incident light :

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Answer & Solution

Correct Answer

(D) increases the number of photons incident and the \({KE}\). of the ejected electrons remains unchanged

Step-by-step Solution

Detailed explanation

\(\rightarrow\) Increasing intensity means number of incident photons are increased.

\(\rightarrow\) Kinetic energy of ejected electrons depend on the frequency of incident photons, not the intensity.

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