Geometrical OpticsEasy
Question
A double convex lens is made of glass of refractive index 1.5. If its focal length is 30 cm, then radius of curvature of each of its curved surface is :-
Options
A.10 cm
B.15 cm
C.30 cm
D.None of these
⇒ R = 30cmMore Geometrical Optics Questions
An object O is kept infront of a converging lens of focal length 30 cm behind which there is a plane mirror at 15 cm fro...There are two plane mirror with reflecting surfaces facing each other. Both the mirror are moving with speed v away from...A certain prism is found t produce a minimum deviation of 38o. It produces a deviation of 44o when the angle of incidenc...Velocity of light in glass, whose refractive index w.r.t. air is 1.5, is 2 × 108 m/Sec. In a certain liquid the vel...A man of height 170 cm wants to see his complete image in a plane mirror (while standing ). His eyes are at a height of ...