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An object is placed at a large distance in front of a convex mirror of radius if curvature 40cm. How far is the image behind the mirror.

Posted by Aditi Ringusia 4 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Sia ? 4 years, 6 months ago

Large distance =infinity

The image will form on principle focus of convex mirror because rays coming from infinity when touch mirror get diverged but virtually they meet at principle focus

Radius of curvature=40cm

Focal length=Radius of curvature/2

f=40/2

f=20cm

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CBSE > Class 10 > Science