[" 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 - "],[[" (А) "h/ mu," (В) "h mu," (C) "mu/h," (D) "h]]

A man stnading 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? (Line of vision is normal, Refractive index of water is n)

A man stnading 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? (Line of vision is normal, Refractive index of water is n)

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?

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

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

How is water in a swimming pool kept free from germs ?