A small bulb is placed at the bottom of a tank containing water to a depth of 80cm What - Physics - Ray Optics And Optical Instruments

Question

A small bulb is placed at the bottom of a tank containing water to
a depth of 80cm What is the area of the surface of water through
which light from the bulb can emerge ? Refractive index of water is
1 33 (Consider the bulb to be a point source ) Use sin 48 6 o = 0
75; Tan 48 60 = 1 1345

Akhilesh Kumar Chauhan · Accepted Answer

A small bulb is placed at the bottom of a tank containing water to a depth of 80cm. What is the area of the surface of water through which light from the bulb can emerge ? Refractive index of water is 1.33. (Consider the bulb to be a point source.) Use sin 48.6 o = 0.75; Tan 48.60 = 1.1345