Problem 25.52 Part A A planoconvex lens (Figure 1) has one flat surface and the

Question

Problem 25.52 Part A A planoconvex lens (Figure 1) has one flat surface and the other has R 15.5 cm. This lens is used to view a What is the location of the red image formed by the lens? Express your answer to three significant figures and include the appropriate units. llow object which is 65.0 cm away from the lens. The index of refraction of the glass is 1.5106 for red light and 1.5226 for yellow light. Use the lensmaker's equation)-(n-144) R1 R2 Au= 20.3 cm Submit My Answers Give Up Incorrect; Try Again; 2 attempts remaining Figure 1 of 1 Part B What is the location of the yellow image formed by the lens? Express your answer to two significant figures and include the appropriate units. diliValue Units Planoconvex lens Submit My Answers Give Up Provide Feedback Continue

Explanation / Answer

a) 1 / fR = (1.5106 - 1)(1/15.5 - 0)

fR = 30.36 cm

From lens formulae, 1/f = 1/do + 1/di

1/di = 1/30.36 - 1/65

di = 56.97 cm

b)1 / fy = (1.5226 - 1)(1/15.5 - 0)

fy = 29.66 cm

From lens formulae, 1/f = 1/do + 1/di

1/di = 1/29.66 - 1/65

di = 54.55 cm

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