Class 12PhysicsDual Nature of Radiation and MatterPhotoelectric Effect by Lenard and it's Observations
EasyIn a photoelectric experiment,if the intensity of incident light is doubled and the frequency is kept slightly greater than threshold frequency,then the saturation photoelectric current
- Aremains constant
- Bis halved
- Cis doubled
- Dbecomes four times
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Similar Questions
Light of wavelength $4000 \ \mathring A$ is incident on a sodium surface,where the threshold wavelength for photoemission is $5420 \ \mathring A$. The work function of sodium is ............ $eV$.
Easy
View SolutionAssertion : Photoelectric saturation current increases with the increase in frequency of incident light.
Reason : Energy of incident photons increases with increase in frequency and as a result photoelectric current increases.
Reason : Energy of incident photons increases with increase in frequency and as a result photoelectric current increases.
In the photoelectric effect,assuming the energy of a photon is proportional to its frequency and is completely absorbed by an electron in the metal,the photoelectric current...
Medium
View SolutionDefine threshold frequency and on which factor does threshold frequency depend?
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View SolutionLight of frequency $1.5 \nu_0$ (where $\nu_0$ is the threshold frequency) is incident on a photosensitive material. If the frequency is halved and the intensity is doubled,what happens to the photocurrent?
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