Photoelectric EffectHard
Question
A source of light emits a continuous stream of light energy which fall on a given area. Luminous intensity is defined as :
Options
A.Luminous energy emitted by the source per second
B.Luminous flux emitted by the source per unit solid angle
C.Luminous flux falling per unit area of a given surface
D.Luminous flux coming per unit area of an illuminated surface
More Photoelectric Effect Questions
If work done in increasing the size of a soap film from 10cm × 6cm × 11cm is 2 × 10-4 J What is the surfa...An electron and a proton have the same De Broglie wavelength. Then the kineitc energy of the electron is :...Consider a photon of continuous X-ray coming from a Coolidge tube. Energy of photon comes from...Photoelectric effect experiments are performed using three different metal plates p, q and r having work functions φ...A lead shot of 1mm diameter falls through a long column of glycerine. The variation of its velocity v with distance cove...