Class 12PhysicsDual Nature of Radiation and matterPhotoelectric Effect by Lenard and it's Observations
DifficultFrom the following graph of photo-current against collector plate potential,for two different intensities of light $I_{1}$ and $I_{2}$,one can conclude:
- A$I_{1} = I_{2}$
- B$I_{1} > I_{2}$
- C$I_{1} < I_{2}$
- DComparison is not possible.
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Similar Questions
$A$ $5\; W$ source emits monochromatic light of wavelength $5000\; Å$. When placed $0.5\; m$ away, it liberates photoelectrons from a photosensitive metallic surface. When the source is moved to a distance of $1.0\; m$, the number of photoelectrons liberated will
MediumAIPMT 2007
View SolutionAssertion : Kinetic energy of photoelectrons emitted by a photosensitive surface depends upon the intensity of incident photon.
Reason : The ejection of electrons from a metallic surface is possible with a frequency of incident photon below the threshold frequency.
Reason : The ejection of electrons from a metallic surface is possible with a frequency of incident photon below the threshold frequency.
What is a photoelectron?
Easy
View Solution$A$ photocell employs the photoelectric effect to convert
$A$ photoelectric cell is illuminated by a point source of light $1 \ m$ away. When the source is shifted to $2 \ m$,then:
MediumAIPMT 2003
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