A 1.8-cIn-tall object is 20 cm in front of a convex mirror that has a -64 cm foc

Question

A 1.8-cIn-tall object is 20 cm in front of a convex mirror that has a -64 cm focal ength Part A Calculate the position and height of the image Express your answer to two significant figures and include the appropriate units. IA Value Units Submit Reguest Answer Part B Express your answer to two significant figures and include the appropriate units. IA hValue Units Submit Request Answer Part C State whether the image is in front of or behind the mirror, and whether the image is upright or inverted O The image is inverted and placed in tront of the mirror. O The image is upright and placed behind the miror O The image is inverted and placed behind the mirror. O The image is upright and placed in front of the mirror

Explanation / Answer

a)

From thin lens formula

1/f =1/s +1/s'

-1/64 =1/20 +1/s'

s'=-15.238 cm

b)

Since Magnification

M=-S'/S =h'/h

h' =-(-15.238/20)*1.8

h'=1.37 cm

c)

The Image is upright and placed behind the mirror (since M>0)

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