need help with question #4-8 starting at “A fiber optic cable (nf iber = 2.04) is submerged in water (nwater = 1.35).”

flashlightray _______5__(__ 1 respect to the vertical)held under transparent 2) f2) 10.0 pointsy turned away from the the beam no longer beLCG of the pool? I) 3.0 points , = 1.56 and surroundedm X 12.5 cm. A ray has3f 61 2 522° on the top n11DWU1 111 [111109 U1 U111. 004 10.0 pointsA fiber optic cable (an-ber = 2.04) is sub-merged in water (nwater = 1.35).What is the critical angle for light to stayinside the cable?Answer in units of °. 005 (part 1 of 2) 10.0 pointsAn object is 19 cm from the surface of areflective spherical Christmas-tree ornament5.78 cm in diameter.What is the position of the image?Answer in units of cm. 006 (part 2 of 2) 10.0 pointsWhat is the magnification of the image? 007 (part 1 of 2) 10.0 pointsAn object located 34.5 cm in front of a lensforms an image on a screen 11.6 cm behindthe lens.Find the focal length of the lens.Answer in units of cm. 008 (part 2 of 2) 10.0 pointsWhat is the magnification of the object? 009 (part 1 of 2) 10.0 pointsConsider two lenses where f1 = f and f2 =— f . As shown in the sketch, they are alignedalong the z—axis with a separation d = 1.25 f.The distance between the object and lens 1is p = 3 f. For this part of the problem,