A plane wave front is entering a lens is given in the figure: Complete the diagram and draw the refracted wave front.

What are different types of wave fronts.

Draw maximum number of Galvanic cell using substance given in the table. Complete the table based on the figures drawn.

The Image formed by a thin lens is shown in the figure. Draw the ray diagram showing above lens forming a magnified erect, virtual image

An electomagnetic wave is entering from one medium to another. Then the property which remains unaltered is

The wave front due to a source situated at infinity Is