Question

find the position magnification and nature of an image formed when a 2cm high object is placed at a distant of 15cm in front of a convex mirror of focal length 10cm
.......please help me guys ​

Answer 1

f=-10

u=-15

v=?

1/f=1/v+1/u

-1/10=1/v-1/15

1/v=1/15-1/10

1/v=2-3/30

1/v=-1/30

v=-30

-v/u=h'/h

-(-30)/-15=h'/2

-4=h'

m=-v/u

m=-(-30)/15

m=-2

Nature= Inverted,larger than object and real image.

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