Draw ray diagram to show how a right angled isosceles prism can be used to deviate the ray through `90^@`.

Draw ray diagram to show how a right angeld isosceles prism can be used to deviate the ray through 180^@

Try to draw rough sketches of a right angled isosceles triangle.

Draw a circuit diagram to show how a photodiode is biased.

Draw ray diagrams to show how specially designed prisms make use of total internal reflection to obtain inverted image of the object by deviating rays through 90^@ ?

Draw ray diagrams to show how specially designed prisms make use of total internal reflection to obtain inverted image of the object by deviating rays through 180^@ ?

Draw a ray diagram to show the refraction of light through a glass prism. Hence obtain the relation for the angle of deviation in terms of the angle of incidence, angle of emergence and the angle of the prism.

Draw the ray diagram of acompound microscope.

Draw a ray diagram to show the image formation by a simple microscope. What is the nature of the image formed?