PHY2321 week 14 Hwk 9th Ed. Ch. 36 P. 1,4,9,11,14,25,29,30,35,40,41,43,44,46 1. Draw diagram. L=89cm 4. 1) 4m 2) 12m 3) 16m 9. i a) 13.3 cm behind mirr b) real c) inverted d) M=-0.333 ii a) 20 cm b) real c) inverted d) -1.00 iii a) q=infinity (no image) b) no image formed c) no image formed (can't classify) d) M=infinity 11. a) q=-12.0 cm M=+0.4 b) q=-15.0 cm M=+0.25 c) both upright (M>0) 14. a) R=+2.22cm b) M=10 25. a) concave b) R=2.08m c) 1.25m from object 29. a) q=45 cm (image forms inside rod) b) q=-90 cm c) q=-6 cm 30. R-> infinity and q=-38.2 cm Thus, the virtual image of the dust speck is 38.2 cm below the top surface of the ice. 35. q=-8.57 cm, so apparent depth is 8.57 cm. 40. a) q=-12.3 cm image forms 12.3 cm left of lens b) M=0.615 c) ray diagram 41. a) f=39.0 mm b) From above, p=39.5 mm 43. f=20 cm 44. i a) 20 cm in back of lens b) real c) inverted d) M=-1.0 e) real because q>0, M=-1.0 ii a) 10cm in front of lens b) virtual c) upright d) M=+2 e) Algebraic answers agree, we can express values to 3 sig figs: q=-10.0 cm, M=+2.00 46. i a) 13.3 cm in front of lens b) virtual c) upright d) M=+0.333 ii a) 10 cm in front of lens b) virtual c) upright d) M=0.5 iii a) 6.67 cm in front of lens b) virtual c) upright d) M=0.667 Check: # and # Muchos muchos grande gracias.