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An object of height 4 cm is kept at a di...

An object of height 4 cm is kept at a distance of 30 cm from the pole of a diverging mirror. If the focal length of the mirror is 10 cm, the height of the image formed is

A

`+3.0` cm

B

`+2.5` cm

C

`+ 1.0 ` cm

D

`+ 0.75` cm

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