Question

An object of 1cm tall is placed 4 cm confront of a mirror. in order to produce an upright image of 3 cm height , one need a.......​

Answer 1

Answer:

the concave mirror has radius of curvature = 12 cm.... hence focal length is 6 cm.... if we place our object at 4 cm in front of the mirror we wil get an virtual, enlarged, and erect image...

Explanation:

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Answer 2

reffer to the picture

f=−6cm

The mirror must be concave mirror of focal length 6 cm i.e.,

R=2f=12cm