Question

(11%) Problem 7: Consider a diamond surrounded by air. Glass, Red Orange Yellow Green Blue Violet Medium m (660 nm) (610 nm) (580 nm) (550 nm) (470 nm) (410 nm) Water 1.331 1.332 | 1.333 1.335 1.338 1.342 Diamond 2.410 2.415 2.4172.426 2.444 2.458 1.512 1.514 1.518 1.519 1.524 1.530 1,662 1665 1.667 1.674 1.684 1698 flint Polystyrene 1,488 1.490 | 1.492 1.493 1.499 1.506 Quartz 1.455 1.456 | 1.458 1.459 1.462 | 1.468 fused Otheexpertta.com crown Glass, > A By how much (in degrees) do the critical angles for total internal reflection differ for red (660 nm) light compared to violet (410 nm) light? Grade Summary or-Ov=1 Deductions 0% Potential 100%

Answer 1

Critical angle for red light is

Or = sin ( 24 ) = 245154

Critical angle for violet light is

A = sin-1 / 1 2.458 ) = 24.0062°

Therefore

OR - Oy = 24.5154 - 24.0062 = 0.509