Geometrical OpticsEasy
Question
If in a plano-convex lens. the radius of curvature of the convex surface is 10 cm and the focal length of the lens is 30 cm, then the refractive index of the material of lens will be
Options
A.1.5
B.1.66
C.1.33
D.3
More Geometrical Optics Questions
′The lateral shift produced by the slab is :-...A lamp of 250 candela power is hanging at a distance of 6 m from a wall. The illuminance at a point on the wall at a min...A par axial beam is incident on a glass (n = 1.5) hemisphere of radius R = 6 cm in air as shown the distance of point of...A lens of focal length ′f′ is placed in between an object and screen at a distance ′D′. The lens...An object and a screen are fixed at a distance d apart. When a lens length f is moved between the object and the screen,...