A small bulb is placed at the bottom of a tank containing water to a depth of 80 cm. What is the area of the surface of water through which light from the bulb can emerge out ? Refractive index of water is 1.33. (Consider the bulb to be a point source.)

A small bulb (assumed to be a point source) is placed at the bottom of a tank containing water to a depth of 80 cm . Find out the area of the surface of water through which light from the bulb can emerge. Take the value of refractive index of water to be 4//3 .

A small bulb (assumed to be a point source) is placed at the bottom of a tank containing water to a depth of 80 cm . Find out the area of the surface of water through which light from the bulb can emerge. Take the value of refractive index of water to be 4//3 .

A small bulb (assumed to be a point source) is placed at the bottom of a tank containing water to a depth of 80 cm . Find out the area of the surface of water through which light from the bulb can emerge. Take the value of refractive index of water to be 4//3 .

A small bulb (assumed to be a point source) is placed at the bottom of a tank containing water to a depth of 80 cm . Find out the area of the surface of water through which light from thr bulb can emerge. Take the value of refractive index of water to be 4//3 .

A small bulb is placed at the bottom of a tank containing water to a depth of 80cm. What is the area of the bulb can emerge out? Refractive index of water is 1.33. (Consider the bulb to be a point source.)

A small bulb is placed at the bottom of a tank containing water to a depth of 80cm. What is the area of the bulb can emerge out? Refractive index of water is 1.33. (Consider the bulb to be a point source.)

A source of light is placed at the bottom of a tank filled with water up to the height of 80 cm. Calculate the area at the surface of water through which light rays will be emitted. Refractive index of water = 1.33.

The refractive index of water is 1.33. What will be the speed of light in water