A right-angled prism of refractive index μ 1 is placed in a rectangular block of refractive index μ 2 , which is surrounde…

A transparent thin film of uniform thickness and refractive index n 1 = 1.4 is coated on the convex spherical surface of radius R at one…

Four combinations of two thin lenses are given in List I. The radius of curvature of all curved surfaces is r and the refractive index of…

A point source S is placed at the bottom of a transparent block of height 10 mm and refractive index 2.72. It is immersed in a lower refr…

Two identical glass rods S 1 and S 2 (refractive index = 1.5) have one convex end of radius of curvature 10 cm. They are placed with th…

Paragraph: Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder o…

Paragraph: Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder o…

A plano-convex lens is made of a material of refractive index n. When a small object is placed 30 cm away in front of the curved surface …

A transparent slab of thickness d has a refractive index n (z) that increases with z. Here z is the vertical distance inside the slab, me…

A parallel beam of light is incident from air at an angle α on the side PQ of a right angled triangular prism of refractive index n = 2 …

A small object is placed 50 cm to the left of thin convex lens of focal length 30 cm. A convex spherical mirror of radius of curvature 10…

For an isosceles prism of angle A and refractive index μ it is found that, the angle of minimum deviation is   δ m = A . Which of the f…

A wire is bent in the shape of a right angled triangle and is placed in front of a concave mirror of focal length f , as shown in the fi…