Geometrical OpticsHard
Question
A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1.65. Its focal length is nearly
Options
A.20 cm
B.30.76 cm
C.35 cm
D.50 cm
More Geometrical Optics Questions
A light ray travelling in air is incident vertically on one face of a right angled prism with a refractive index μ ...A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the an...An observer can se through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The beaker h...A person can not see the objects beyond 50 cm. The power of a lens to correct this vision will be-...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,...