A ray of light is incident on the (y-z) plane mirror along a unit vector `hate_(1) = (1)/(sqrt(3)) hati +(1)/(sqrt(3)) hatj +(1)/(sqrt(3))hatk`. Find the unit vector along the reflected ray.

Magnitude of the vectors 1/(sqrt(3))hati+1/(sqrt(3))hatj+1/(sqrt(3))hatk is equal to

Two plane mirrors are combined to each other as such one is in (y-z) plane and other is in (x-z)plane.A ray of light along vector (1)/(sqrt(3)) hati +(1)/(sqrt(3))hatj +(1)/(sqrt(3))hatk is incident on the first mirror. Find the unit vector in the direction of emergence ray after successive reflections through these mirros.

Find the unit vector along the vector hati + hatj + hatk.

Equation of line BA is x+y=1 . Find a unit vector along the reflected ray AC.

Equation of line BA is x+y=1 . Find a unit vector along the reflected ray AC.

A ray of light is incident on a plane mirror along a vector hat i+hat j- hat k. The normal on incidence point is along hat i+ hat j .Find a unit vector along the reflected ray.

A ray of light is incident on a plane mirror along a vector hat i+hat j- hat k. The normal on incidence point is along hat i+ hat j .Find a unit vector along the reflected ray.

The unit vector normal to the plane x + 2y +3z-6 =0 is (1)/(sqrt(14)) hati + (2)/(sqrt(14))hatj + (3)/(sqrt(14))hatk.

The unit vector normal to the plane x + 2y +3z-6 =0 is (1)/(sqrt(14)) hati + (2)/(sqrt(14))hatj + (3)/(sqrt(14))hatk.