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Question
Study the diagram below.
- Name the lens LL’.
- What are the points O and O' called ?
- Complete the diagram to form the image of the object AB.
- State three characteristics of the image.
Solution
- LL' is concave lens.
- O and O' are called the first and second focal points, respectively.
- The three characteristics of the image are virtual, erect and diminished.
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