A parallel beam of light travelling in water (refractive index ` =4//3)` is refracted by a spherical air bublle of radius 2mm situated in water. Assuming the light rays to be paraxial,
a. Find the position of image due to refraction at first surface and position of the final image.
b. Draw a ray diagram showing the position of both images.

A parallel bean of light travelling in water (refractie index =4/3) is refracted by a spohereical bubble of radius 2 mm situation in water. Assuming the light rays to be paraxial. i. find the position of the image due to refraction at the first surface and the positoin of the final image, and ii draw a ray diagram showing the positions of oth the images.

A parallel beam of light is incident on the surface of a transparent hemisphere of radius R and refractive index 2.0 as shown in figure. The position of the image formed by refraction at the first surface is :

A parallel beam of light is incident normally on the flat surface of a hemisphere of radius 6 cm and refractive index 1.5 , placed in air as shown in figure (i). Assume paraxial ray approxiamtion. .

A glass sphere, refractive index 1.5 and radius 10cm, has a spherical cavity of radius 5cm concentric with it. A narrow beam of parallel light is directed into the sphere. Find the final image and its nature.

A denser medium of refractive index 1.5 has a concave surface of radius of curvature 12 cm. An object is situated in the denser medium at a distance of 9 cm from the pole. Locate the image due to refraction in air.

A parallel narrow beam of light is incident on the surface of a transparent hemisphere of radius R and refractive index mu=1.5 as shown. The position of the image formed by refraction at the image formed by refraction at the spherical surface only as

A point object is situated at a distance of 36 cm from the centre of the sphere of radius 12 cm and refractive index 1.5. Locate the position of the image due to refraction through sphere.

An object of height 1mm is placed inside a sphere of refractive index mu=2 and radius of curvature 20 cm as shown in the figure. Find the position, size, and nature of image, for the situation shown in Figure. Draw ray diagram.

Figure shows a transparent hemisphere of radius 3'0 cm made of a material of refractive index 2.0. (a) A narrow beam of parallel rays is incident on the hemisphere as shown in the figure. Are the rays totally reflected at the plane surface ? (b) Find the image formed by the refraction at the first surface. (c) Find the image formed by the reflection or by the refraction at the plane surface. (d) Trace qualitatively the final rays as they come out of the hemisphere.