A concave mirror of radius 40 cm lies on a horizontal table

Last updated: 6/9/2023

A concave mirror of radius 40 cm lies on a horizontal table and water is filled in it up to a height of 5 00 cm A small dust particle floats on the water surface at a point P vertically above the point of contact of the mirror with the table The image of the dust particle as seen from a a cm Find point directly above it is 8 4 the value of a Use the refractive index of water is 1 33