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  • (a) Write two main observations of photoelectric effect experiment which could only be explained by Einstein’s photoelectric equation. (b) Draw a graph showing variation of photocurrent with the anode potential of a photocell. <p

(a) Write two main observations of photoelectric effect experiment which could only be explained by Einstein’s photoelectric equation.

(b) Draw a graph showing variation of photocurrent with the anode potential of a photocell.

 

 
 
 
 
 

Answers (1)

a)
(i) There exists a threshold frequency below which no photoelectrons is ejected.
(ii) Kinetic energy of electron depends linearly on the frequency and is
independent of the intensity of radiation.

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Safeer PP

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