Show by drawing ray diagrams how a totally reflecting glass prism can be used to deviate a ray of light through (i) `90^(@)` (ii) `180^(@)` and invert it.

A total reflecting equilateral prism can be used to deviate a ray of light through :

A total reflecting right angled isosceles prism can be used to deviate a ray of light through :

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^@

Show with the help of a diagram how a total reflecting prism can be used to turn a ray of light through 90^(@) . Name one instrument in which such a prism is used.

Draw a ray diagram to show the total internal reflection.

In periscopes, totally reflecting prisms are used which turns the ray through

In periscopes, totally reflecting prisms are used which turns the ray through