Questions
In a photo-electric cell, current stops when a negative potential of 1.5v is given to the collector w.r.t. emitter. The maximum K.E. of emitted electron is
detailed solution
Correct option is A
kE=ev0 =1.6×10−19×1.5 =2.4×10−19jouleTalk to our academic expert!
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Threshold wavelength for photoelectric effect on sodium is 5000 . The work function (in x 10-19 J) is _______.
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