To find the focal length of a concave lens using a convex lens with tables reading.
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i hope this will help you. please refer to the attachment
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The distance between the centre of a curved mirror and its focus or the distance between the curved lens and its focus is known as focal length.
Explanation:
- The distance between the centre of a curved mirror and its focus or the distance between the curved lens and its focus is known as focal length.
- Focal length is used to measure the amount of light converged by it at the centre of the lens or mirror.
- The point where light rays coming from the source in parallel movement converge or meet.
- It is represented by "f".
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