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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Similar Questions
Which of the following phenomena is not explained by the wave nature of light?
$(A)$ Reflection
$(B)$ Diffraction
$(C)$ Photoelectric effect
$(D)$ Interference
$(E)$ Polarization
Choose the most appropriate answer from the options given below:
$(A)$ Reflection
$(B)$ Diffraction
$(C)$ Photoelectric effect
$(D)$ Interference
$(E)$ Polarization
Choose the most appropriate answer from the options given below:
DifficultJEE MAIN 2024
View Solution$A$ small metal ball is suspended in a uniform electric field with the help of an insulated thread. If a high energy $X-$ray beam falls on the ball,then the ball
Medium
View SolutionLight with a frequency of $1.5$ times the threshold frequency is incident on a photosensitive material. If the frequency is halved and the intensity is doubled,what will be the photoelectric current?
Medium
View SolutionThe figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement?
MediumAIPMT 2009
View SolutionFrom the following graph of photo-current against collector plate potential,for two different intensities of light $I_{1}$ and $I_{2}$,one can conclude:
DifficultKCET 2017
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