Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

In a photoelectric effect, the number of photo electrons emitted per second is directly proportional to

Options:

frequency of the incident radiation

wavelength of the incident radiation

intensity of the incident radiation

speed of the incident radiation

Correct Answer:

intensity of the incident radiation

Explanation:

The correct answer is Option (3) → intensity of the incident radiation