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
A source of light emits a continuous stream of light energy which fall on a given area. Luminous intensity is defined as...In a discharge tube when 200 volt potential difference is applied 6.25 × 1018 electrons move from cathode to anode ...An electron and proton are accelerated through same potential, then λe/λp will be...The bulk modulus of a metal is 1010 N/ m2 and Poisson′s ratio 0.20 If average distance between the molecules is 3A...Binding Energy per nucleon of a fixed nucleus XA is 6 MeV. It absorbs a neutron moving with KE = 2 MeV, and converts int...