Question

write the Laws of Photoelectric Emission ?

Answer 1

hi


Laws of Photo-Electricity. (b)Photoelectric current is directly proportional to the intensity of incident light and is independent of frequency. ... (d) The emission of electrons stops below a certain minimum frequency known as threshold frequency.


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Answer 2

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write the laws of photoelectric emission?

➡laws of photoelectric emission:-

1) for a given photosensitive material and frequency of incident radiation the photocurrent is directly proportional to the intensity of light.

the saturation current is directly proportional to the incident of radiation

2) for a given photosensitive material,there exist a certain minimum cut off frequency Or cut off wavelength below which or above which no photoelectrons are emitted,whatever high is the intensity of incident radiation.this frequency is called threshold frequency or threshold wavelength.

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