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An object with a height of 41 cm is placed 1.5 m in front of a convex mirror with a focal length of -0.40 m .?
Determine the location of the image.
Express your answer using two significant figures.
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Determine the size of the image.
Express your answer using two significant figures.
1 Answer
- Old Science GuyLv 72 years ago
...
1/f = 1/di + 1/do
1/-0.40 = 1/di + 1/1.5
1/di = -3.1667
di = -0.32 m (this is 32 cm behind the mirror)
Hi/Ho = - Di/Do
Hi / 41 = - (-0.32) / 1.5
Hi = 8.7 cm
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