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Question
The parallel rays of light after passing through a convex lens converge at:
The parallel rays of light after passing through a convex lens converge at:
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Solution
The correct option is C Principal focus
When parallel rays of light pass through the convex lens, they converge at a point called the principal focus. The principal focus is located at a distance equal to half the radius of curvature from the optical centre.
When parallel rays of light pass through the convex lens, they converge at a point called the principal focus. The principal focus is located at a distance equal to half the radius of curvature from the optical centre.
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