Draw a graph showing the variation of power of a lens with the wavelength of incident light.

Define power of a lens

Draw a plot showing the variation of electric field E

Draw a graph showing the variation of stopping potential with frequency of incident raditions in relation to photoelectric effect. Deduce an expression for the slope of this graph using Einstein's photoelectric equation.

…is the unit of power of the lens

Draw a graph showing the variation of decay rate with number of active nuclei.

The unit of power of lens is…… .

Draw a graph showing variation of de-Broglie wavelength with the momentum of an electron?

Define 1 dioptre of power of a lens

Define 1 dioptre of power of a lens

Draw a plot showing the variation of photoelectric current versus the intensity of incident radiation on a given photosensitive surface.