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Question
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
Options
Concave mirror only
Convex mirror only
Convex lens only
Concave mirror, convex mirror, concave lens and convex lens
Solution
Concave mirror, convex mirror, concave lens and convex lens
Explanation -
The ray of light from an object placed at infinity will always form point size image at focus, valid for concave mirror, convex mirror, concave lens and convex lens.
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