Class 12PhysicsDual Nature of Radiation and matterPhotoelectric Effect by Lenard and it's Observations
EasyLight of wavelength $4000 Å$ is incident on a sodium surface for which the threshold wavelength of photoelectrons is $5420 Å$. The work function of sodium is (in $eV$)
- A$4.58$
- B$2.29$
- C$1.14$
- D$0.57$
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Similar Questions
The number of photo-electrons emitted per second from a metal surface increases when:
In a photoelectric experiment,increasing the intensity of incident light :
By increasing the intensity of incident light, keeping the frequency $(v > v_0)$ fixed on the surface of a metal:
Medium
View SolutionWhich of the following statements is correct regarding the photoelectric effect?
In the photoelectric effect,the photocurrent:
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