Question

the focal point half the radius of the mirror PRACTICE IT Use the worked example above to help you solve this problem. Assume that a certain concave spherical mirror has a focal length of 10.6 cm. (a) Locate the image and find the magnification for an object distance of 26.5 cm. (If the image location or magnification is infinite, type INFINITY.) q= cm M (b) Do the same for an object distance of 10.6 cm cm 9 M (c) Do the same for an object distance of 5.30 cm. 9- cm M EXERCISE HINTS: GETTING STARTED I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. If the object distance is 21.2 cm, find the image distance and the magnification of the mirror. q= cm ма

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Answer 1

Answer Given; f. = - 10.6 cm ( Concare mirror) a) 26.5 cm Object distance; U = Image distanu; v: ? from mirror formula; + pr ㅗ f y u z <1- -/4 -13 10:6 26. 5 26.5f 10.6 10.6 x 2605 y = -(10.6% 10,6 X 2605) -17-67 cm 15,9

Magnification; M. - V - ( --17.67) UU - 26.5 - 0.7 N b) U = -10.6 cm V -13 10.6 V (0 G 나 - Y - (INFINITY.) 11 0 Magnificallon; M - V . INFINIT N u - 106 c) ul : - 5. 30 CM V: 이 니 1 수 1 - 1 + ㅔ V U 10.6 5. 3. 다 5-3 4 10-G -> V 106 x 5. 2 106 x 5. 3 (0.6 cm 5.3 M agnification; C10-6) M - V u 5. 3. 2. : Eneruise u = 212 cm V-2 - 10 6 cm 나 1 1 || + 다 Is 10 • 6 22

21. 2 + 10.6 -> 21. 2 x 10-G. - (27.2 x 10-6) 21. 2 CMO 1006 M - V - (-21-2) Magnification u - 2.2. M.. - 느