Question

find the distance of the image from a convex mirror if object distance from a convex mirror =25cm from it and radius of curvature = 200cm​

Answer 1

Answer:

20cm behind the mirror

Explanation:

position of object, u= -25cm

Radius of curvature, R=200cm

focal length, f= R/2 = 100cm

using mirror formula,

1/f=1/v + 1/u

1/v= 1/f - 1/u

   = 1/100 - (1/-25)

    = 1/100 + 1/25

     = 1/100 + 4/100

    =5/100

     =1/20

v= 20cm

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