Photoelectric EffectHard
Question
A photoelectric cell is lightened by a light source, situated at a distance d from the cell. If distance becomes d/2 then number of electrons emitted per sec will be :-
Options
A.Remains same
B.Four times
C.Two times
D.One fourth
More Photoelectric Effect Questions
for maximum λ = (n1 = 2 → n2 = 1 Lymen (n1 = 3 → n2 = 2 BalmerLongest λLymen = Longest λBalme...5 lumen/W is the luminous efficiency of a lamp and its luminious intensity is 35 candela. The power of the lamp is :...In one average-life...The structure of solids is studied by :-...The strength of photoelectric current is directly proportional to :...