What is the maximum distance required by an object to get virtual image for convex lens?
Answers
Explanation:
A convex lens (of focal length 20 cm) and a concave mirror, having their principal axes along the same lines, are kept 80cm apart from each other. The concave mirror is to the right of the convex lens. When an object is kept at a distance of 30cm to the left of the convex lens, its image remains at the same position even if the concave minor is removed. The maximum distance of the object for which this concave mirror, by itself would produce a virtual image would be :-
10cm.
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Explanation:
A convex lens (of focal length 20 cm) and a concave mirror, having their principal axes along the same lines, are kept 80cm apart from each other. The concave mirror is to the right of the convex lens. When an object is kept at a distance of 30cm to the left of the convex lens, its image remains at the same position even if the concave minor is removed. The maximum distance of the object for which this concave mirror, by itself would produce a virtual image would be 10 cm