[" Preblem -2.28: The "x-z" plane separates two media "A],[" and "B" of refractive indices "mu_(1)=1.5" and "mu_(2)=2." Aray "],[" of light travels from "A" to "B" .Its directions in the two "],[" media are given by unit vectors "vec u_(1)=ai+bj" and "],[vec u_(2)=ci+dj" .Then "],[" solution."]

The x-z plane separates two media A and B of refractive indices mu_(1)=1.5 and mu_(2)=2 . A ray of light travels from A to B its direction in the two media are given by unit vectors vec(u)_(1)=a hat(i) + b hat(j) and vec(u)_(2)= chat(i)+dhat(j) Then

The x-z plane separates two media A and B of refractive indices mu_(1) = 1.5 and mu_(2) = 2 . A ray of light travels from A to B. Its directions in the two media are given by unit vectors u_(1) = a hat(i)+b hat(j) and u_(2) = c hat(i) +a hat(j) . Then

The x-z plane separates two media A and B of refractive indices mu_(1) = 1.5 and mu_(2) = 2 . A ray of light travels from A to B. Its directions in the two media are given by unit vectors u_(1) = a hat(i)+b hat(j) and u_(2) = c hat(i) +a hat(j) . Then

The xz plane separates two media A and B with refractive indices mu_(1) & mu_(2) respectively. A ray of light travels from A to B . Its directions in the two media are given by the unit vectors, vec(r)_(A)=a hat i+ b hat j & vec(r)_(B)= alpha hat i + beta hat j respectively where hat i & hat j are unit vectors in the x & y directions. Then :

The xz plane separates two media A and B with refractive indices mu_(1) & mu_(2) respectively. A ray of light travels from A to B . Its directions in the two media are given by the unut vectors, vec(r)_(A)=a hat i+ b hat j & vec(r)_(B) alpha hat i + beta hat j respectively where hat i & hat j are unit vectors in the x & y directions. Then :

The xz plane separates two media A and B with refractive indices mu_(1) & mu_(2) respectively. A ray of light travels from A to B . Its directions in the two media are given by the unut vectors, vec(r)_(A)=a hat i+ b hat j & vec(r)_(B) alpha hat i + beta hat j respectively where hat i & hat j are unit vectors in the x & y directions. Then :