In the given figure,the angle of reflection is

In the given figure,the angle between reflected ray is equal to :

The given figure shows a ray of light directed onto a plane mirror at an angle of 45^@ initially. The mirror is then rotated by 20^@ about point O as shown in the figure. The new angle of reflection is

In the given figure, what is the angle of prism

In the given figure, the value of angle theta is

In the given figure, find angle ABC .

In the given figure, find angle AOB .

In the given figure, find angle ABC .