A person swimming at the bottom of a swimming pool looks up to the diving board.
The board.

If a person dives to the bottom of a swimming pool to pick up a coin, how would he feel as he swims toward the bottom ?

A stone S is on the bottom of a swimming pool. The depth of the lying pool is d and index of refraction of water is mu . What is the depth of the swimming pool visible to a normal eye ? Cheak the results with d=6ft and mu=1.5 .

A man standing on the bottom. The depth o fthe swimming pool looks at a stone lying on the bootom. The depth of the swimming pool is equal to h . At what distance from the surafce of water is the image of the stone formed if the line of vision makes an angle theta with the normal to the surface?

Stong odour in swimming pool is due to ………… .

Ozone is pumped in to the swimming pool because

A girl sees through a circular glass slab (refractive index 1.5 ) of thickness 20 mm and diameter 60 cm to the bottom of a swimming pool. Refractive index of water is 1.33 . The bottom surface of the slab is in contact with the water surface. The depth of swimming pool is 6m. The area of bottom of swimming pool that can be seen through the slab is approximately -

A man standing in a swimming pool looks at a stone lying at the bottom. The depth of the swimming pool is h. At what distance from the surface of water is the image of the stone formed -