Part A What is the magnification of the image? answer in meters Part B Is the im

Question

Part A

What is the magnification of the image? answer in meters

Part B

Is the image erect or inverted?

Part C

What is the focal length of the mirror? answer in meters

Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. You find that you can project a magnified image of a lightbulb onto the wall of your bathroom if you hold the mirror 1.6m m from the wall. Part A What is the magnification of the image? answer in meters Part B Is the image erect or inverted? Part C What is the focal length of the mirror? answer in meters m from the bulb and 3.3m

Explanation / Answer

so object distance = p = 1.6 m

image distance = q = 3.3 m

A) M = -q/p = -3.3/1.6 = -2.06

b) M<0 so inverted

c) 1/p + 1/q = 1/f

1/3.3 + 1/1.6 = 1/f

f=1.08 m

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