1.

For three different metal P, Q and R photoemission is observed one by one; (1/2)mv2max (K.E) versus v is plotted. Which one of the following represent the curves correctly? (1) A (2) B (3) C (4) D

Answer»

Correct option :  (3)

Explanation :

As explained in previous question the metal P, Q and R will have their own threshold frequncies. This fact is correctly represented by graph in option (3).



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