an object is placed at a distance of 15 cm from a convex mirror and image is formed at a distance of 5 cm from the mirror calculate the radius of curvature of mirror
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Explanation:
Given,convex mirror
u=+15cm
v=+5cm
find,R
we have, mirror formula
1/f=1/v+1/u
1/f=1/5+1/15 (take LCM)
=(3+1)/15
=4/15
>>f=15/4
=3.75 cm
R=f×2
=(15/4)×2
=15/2
=7.5 cm
》》》radius of curvature is 7.5 cm
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