308610nib Asked: April 2023 give formula for refraction of light at spherical surfaces and explain all term in it
308610nib Asked: April 2023 11 cubes of edge are melted to form a cone of radius 6cm then its height is
308610nib Asked: December 2022 in rainbow the angle between incoming white ray and out coming red ray is
308610nib Asked: December 2022 in rainbow the angle between incoming white ray and out coming violet ray is