A ray strikes the mirror normally, what is the angle of incidence?

A ray, emerging from a point on the object, passing through the centre of curvature C strikes the mirror normally i.e. at 90^@ . Then, the angle of incidence is equal to

A plane mirror lies face up, making an angle of 15^@ with the horzontal .A ray of leght shines down vertically on the mirror .What is the angle of incidence? What will be the angle between the reflection ray and the horizontal?

A ray, emerging from a point on the object, passing through the centre of curvature C strikes the mirror normally i.e. at 90^@ . Then, the angle of reflection is equal to

A ray of light strikes a plane mirror at an angle of incidence 45^@ as shown in Figure . After reflection,l the ray passes through a prism of refractive indes 1.5 whos apex angle is 4^@ . Through what angle must the mirror be rotated it total deviation of the ray be 90^@ ?

A ray of light strikes a glass slab at an angle of 50^(@) with the normal to the surface of the slab. What is the angle of incidence?

A vertical ray of light strikes the horizontal surface of some water: a) What is the angle of incidence? b) What is the angle of refraction?