Snell's law

Horizon 1 ) 1 2 8 , = tant 2.9 3. = 43. 09 from snell's law 2.9 2 sin Oy = n, sin oz 1.33 sing, = 1 x sin (23.) 0 2 ( 12 = refractive Index = ) Oz = 65. 310 of water = 1.33 Now 2 = go - 2, = 24. 68 Angle b /w sun and Honjon 24-7 option ( d ) 2 ) sing , = sing, x n, n2 ( Snell's lav ) 2 = 170 of Also n2 sin oz = n, sindy n 2 Sin Q = 1.71 x sin B , DJ = 34. 393 Apex Angle, & from Geometry d + 90 - 0, + 900 - 81 = 180 * = Q 2 + 0 3 = 151. 40 option ( a )