A ray of light on a plane mirror at an angle of `60^(@)`. What is the deviation produced by the mirror ?

If a ray of light is incident on a plane mirror at an angle of 30^(@) , then deviation produced by the plane mirror is

If a ray of light is incident on a plane mirror at an angle of 30^@ , then deviation produced by a plane mirror is .......

A ray of light is incident on a plane mirror at an angle of 60^(@) . The angle of deviation produced by the mirror is

A ray of light is incident on a plane mirror at an angle of incidence of 30^@ . The deviation produced by the mirror is

If a ray of light is incident on a plane mirror at an angle of incidence of 30^@ , then deviation produced by the mirror is

A ray of light is incident on a plane mirror at an angle of incidence of 30^@ . The deviation produced by the mirror is

In the given figure, two mirrors X and Y are situated at an angle of 60^(@) with each other and a ray of light is incident on mirror X at an angle of 50^(@) . When the ray is reflected by the mirror Y, then what is angle of reflection at this mirror?