Geometrical OpticsMedium
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 Geometrical Optics Questions
A lens have focal length f and and aperture of diameter d forms an image of intensity I. Aperture of diameter in central...A biconvex lens of focal length 15 cm is in front of a plane mirror. The distance between the lens and the mirror is 10 ...In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for e...A parallel beam of light produces an illuminance of 40 lux when the light is incident normally on a wall 1 m away. The i...A certain prism is found t produce a minimum deviation of 38o. It produces a deviation of 44o when the angle of incidenc...