Class 12PhysicsDual Nature of Radiation and matterPhotoelectric Effect by Lenard and it's Observations
EasyWhat is a photoelectron?
(N/A) When a clean metal surface is irradiated with electromagnetic radiation of sufficiently high frequency,electrons are emitted from the metal surface. These emitted electrons are known as photoelectrons. This phenomenon is called the photoelectric effect.
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Threshold frequency for a metal is $10^{15} \ Hz$. Light of $\lambda = 4000 \ \mathring{A}$ falls on its surface. Which of the following statements is correct?
Medium
View SolutionIn the photoelectric effect, keeping the frequency of incident radiation and the accelerating potential fixed, if the intensity of incident light is increased,
The correct curve between the stopping potential $(V_0)$ and intensity of incident light $(I)$ is
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View SolutionThe magnitude of saturation photoelectric current depends upon
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View Solution$A$ point source of light is used in an experiment on the photoelectric effect. Which of the following curves best represents the variation of photocurrent $(i)$ with distance $(d)$ of the source from the emitter?
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