सबसे गहरा swimming pool || amazing facts || #shorts

Water in a swimming pool or water tank appears shallower than its depth. Why ?

Water in swimming pools remains cool even during hot summer. Give reason.

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 -

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 cork of density 0.5gcm^(-3) floats on a calm swimming pool. The fraction of the cork's volume which is under water is

On one boundary of a swimming pool , there is a person at point A whose speed of running on group (boundary) is 10ms^(-1) , while that of swimming is 6ms^(-1) . He has to reach a point B in the swimming pool . The distance covered on the boundary so that the time required to reach the point B in the pool is minimum, is

A diver in a swimming poole wants to signal his distress to a person lying on the edge of the pool by flashing his water proof flash light