an object is placed at a large distance in front of a convex mirror of radius of curvature 40cm how far is the image behind the mirror
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17
The farthest point you can place an object is at infinity. So then, image is formed at the focus (behind the mirror).
R=2f
40=2*f
f=20cm
The image is 20cm behind the convex mirror.
Answered by
4
Explanation:
the largest distance u can keep an object is at infinity
so when u keep the object at infinity the image is formed at the focus .
so now we should find the focal length
f=R/2
f=40/2
f=20cm
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