Stating the sign convensions and assumptions, derive the expression for lens maker's formula in case of double convex lens. OR Derive an expression for lens maker's formula 1/f=(mu-1)(1/(R_(1))-1/(R_(2))) Or Describe lens maker's formula (convex lens). Why is it so called? Or Derive the lens maker's formula for a thin lens by giving the assumptions made. Or State sign conventions and assumption, derive thke expression for the lens maker formula i.e. 1/f=(mu-1)(1/(R_(1))-1/(R_(2))) where the letters have their usual meanings. Or Derive the lens formula for a thin convex lens. Or By giving sing conventions and assumption made, derive lens maker's formula for convex lens. Or With the help of suitable diagram, rign conventions and assumptions, derive lens maker's formula for a convex lens.

Derive lens maker's formula for a thin concave lens.

With the lielp of ray diagram, using sign conventions and assumption derive Mirror formula for a concave mirror.

Derive the lens maker's formula for convex lens stating sign conventions used. Or By stating sign conventions and assumptions used, derive lens maker formula for a thin convex lens. Or By giving sign conventions and assumptions made, derive lens maker's formula for thin convex lens.

By giving assumptions made, derive the lens maker formula for a double convex lens.

By giving sign conventions and assumptions made derive mirror formula for convex mirror.

By stating sign conventions and assumptions made,derive mirror formula for a concave mirror.

a. Define powr of a lens. b. By giving assumption made, derive the lens maker's formula for a double convex lens.

Derive mirror formula for a convex mirror.