What are coherent sources of light? Draw the variation of intensity with position, in the interference pattern of Young's double slit experiment.

Sketch the variation of intensity of the interference pattern in Young's double slit experiment.

Give the shape of interference rings observed in a Young's double slit experiment.

Define the term'coherent sources' which are required to produce interference pattern in Young's double slit experiment.

Write the conditions on path difference under which constructive interference occur in Young's double slit experiment.

Write the conditions on path difference under which destructive interference occur in Young's double slit experiment.

Prove that the fringe width of both the brigth and dark fringes in interference is same in Young's double slit experiment.

Answer the following questions: In what way is diffraction from each slit related to the interference pattern in a double-slit experiment?

Define coherent sources of light, fringe width and interference of light. Show that the width of dark fringe is equal to the width of bright fringe in Young's double slit experiment.