A ray of light moving along the unit vector (`-i-2j`)undergoes refraction at an interface two media,which is the x-zplane. The refracive index for `ygt0`,it is`sqrt(5)//2`.the unit vector along which the refracted ray moves is:

A ray of light moving along the vector ( -i-2j )undergoes refraction at an interface two media,which is the x-zplane. The refracive index for ygt0 is 2 and below it is sqrt(5)//2 .the unit vector along which the refracted ray moves is:

A ray of light moving along the vector ( -i-2j )undergoes refraction at an interface two media,which is the x-zplane. The refracive index for ygt0 is 2 and below it is sqrt(5)//2 .the unit vector along which the refracted ray moves is:

A ray of light moving along a vector (3sqrt(2) hat(i)-3 hat(j)-3 hat(k)) undergoes refraction at an interface of two media which is y-z plane. The refractive index for x le 0 is 1 while for x ge 0 it is sqrt(2) . Then,

The unit vector along vec(A)= 2 hat i + 3 hat j is :

The unit vector along vec(A)= 2 hat i + 3 hat j is :

The unit vector along vec(A)=2hat(i)+3hat(j) is :

The unit vector along vec(A)=2hat(i)+3hat(j) is :

A ray of light is sent along the line 2x-3y=5. After refracting across the line x+y=1 it enters the opposite side after torning by 15^0 away from the line x+y=1 . Find the equation of the line along which the refracted ray travels.

A ray of light is sent along the line 2x-3y=5. After refracting across the line x+y=1 it enters the opposite side after torning by 15^0 away from the line x+y=1 . Find the equation of the line along which the refracted ray travels.