There is a small air bubble inside a glass sphere `(mu=1.5)` of radius 10 cm. The bubble is `4.0cm` below the surface and is viewd normally from the outside. Find the apparent dipth of the bubble.

An air bubble inside a glass slab (µ=1.5) appears 6 cm when viewed from one side and 4 cm when viewed from the opposite side. The thickness of the slab is

An air bubble in a glass sphere (mu = 1.5) is situated at a distance 3 cm from a convex surface of diameter 10 cm . At what distance from the surface will the bubble appear ?

A hemispherical glass body of radius 10 cm and refractive index 1.5 is silvered on its curved surface . A small air bubble is 6 cm below the flat surface inside it along the axis. The position of the image of the air bubble made by the mirror is seen :

The radius of an air bubble is increasing at the rate of (1)/(2) cm/s. At what rate is the volume of the bubble increasing when the radius is 1 cm ?

An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is

The surface area of a spherical bubble is increasing at the rate of 2 c m^2//s . When the radius of the bubble is 6cm, at what rate is the volume of the bubble increasing?

A soap bubble in vacuum has a radius of 3 cm ad another soap bubble in vacuum has a radius of 4 cm. if the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

The radius of sphere is 3.5 cm Find its surface area and volume .

A paraxial beam is incident on a glass (n=1.5) hemisphere of radius R=6 cm in air as shown. The distance of point convergence F from the plane surface of hemisphere is :-