A 2.9-cm tall object is placed 5.4 cm in front of a convex mirror with radius...

Question

Question

A 2.9-cm tall object is placed 5.4 cm in front of a convex mirror with radius of curvature 24 cm.

Part(a) What is the image distance, in centimeters? Include its sign

Part(b) What is the image height, in centimeters? Include its sign.

Part(c) What is the orientation of the image relative to the object?

Answer 1

Answer #1

a] here focal length f = R/2 = 24/2 = 12 cm

Using mirror formula 1/v + 1/u = 1/f

1/v + 1/-5.4 = 1/12

1/v = 1/12+1/5.4 = 0.2685

v = 1/0.2685 = + 3.724 cm answer

b] height h = image height*-v/u = 2.9*3.724/5.4 = + 2 cm answer

c] image is on the other side of the mirror .

Answer 2

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