alight candle is placed 36cm away from a convex mirror with focal length of 12cm determine the distance,size and nature of the image. also with a diagram?
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u=-6cm
f=12cm
1/f=1/v+1/u
1/12=1/v-1/6
1/v=1/6+1/12
1/v=3/12=1/4
v=4cm
image is formed 4cm beyond the mirror
since the mirror used is convex image is erect and virtual
height of image/height of object=-v/u
H' H / = - / -4 / 6 = 2/3
H'=2/3H
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