Problem Set 03 Begin Date: 9/3/2018 12:01:00 AM -- Due Date: 9/14/2018 5:00:00 P

Question

Problem Set 03 Begin Date: 9/3/2018 12:01:00 AM -- Due Date: 9/14/2018 5:00:00 PM End Date: 9/16/2018 11:59:00 PM (8 %) Problem 12: You are looking for a mirror that will enable you to see a 3 9-t n s magnified virtual în placed 4.1 cm from the mirror's vertex. e of an ob ect tht s 50% Part (a) What kind of mirror will you need? Grade Summary Deductions 0% Potential 100% ConcavePlane Convex Submit Hint e up Submissions Attempts remaining: 2 (50% per attempt) detailed view Hints: 4% deduction per hint. Hints remaining: 2 Feedback: 5% deduction per feedback. -A 50% Part (b) what should the mirror's radius of curvature be, in centimeters? All content 2018 Expert TA, LLC

Explanation / Answer

Using mirror formula,

(1/f) = (1/v) + (1/u)

V/u = 3.9

V = 3.9 x 4.1 = 15.99 cm

(1/f) = (1/15.99) - (1/4.1)

Focal length, f = - 5.51 cm

Negative sign shows, mirror is a concave mirror

B)

Radius of curvature, R = 2f = 11.03 cm

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