Questions
The work functions of three metals A,B and C are WA, WB and WC respectively. They are in the decreasing order. The correct graph between stopping potential V0 and frequency V of incident radiation is
detailed solution
Correct option is B
Irrespective of the material used, the slope of each line should be same, options (3) and (4)are not possible since the graphs are not parallel Since, WA >WB > WC V0A>V0B>V0CThus, the correct order is C,B,A(i) indicates V0ATalk to our academic expert!
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The electric field associated with a light wave is where x is in metre and t is in second. If this light is used to produce photo-electric emission from the surface of a metal of work-function 1'9 eV, then the stopping potential will be
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