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![The focal lengths of four convex lens P,Q, R and S are 20cm, 15 cm, 5 cm and 10 cm, respectively. The lens having greatest power is: The focal lengths of four convex lens P,Q, R and S are 20cm, 15 cm, 5 cm and 10 cm, respectively. The lens having greatest power is:](https://d10lpgp6xz60nq.cloudfront.net/ss/web/787635.jpg)
The focal lengths of four convex lens P,Q, R and S are 20cm, 15 cm, 5 cm and 10 cm, respectively. The lens having greatest power is:
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![In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length](https://dwes9vv9u0550.cloudfront.net/images/3824409/e82f7952-0c3a-41b2-b20e-998830097e12.jpg)
In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length
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PDF] OPTICAL ILLUSION DESIGN BASED ON FOUR CONVEX LENSES SYSTEM AND CLOAKING AREA CHARACTERIZATION | Semantic Scholar
![A light beam parallel to axis is incident on the system of four convex lenses A, B, C and D . Focal lengths of A, B, C and D are 30 cm, A light beam parallel to axis is incident on the system of four convex lenses A, B, C and D . Focal lengths of A, B, C and D are 30 cm,](https://d1hj4to4g9ba46.cloudfront.net/questions/761359_e28aaf5fcc934c8c9f1c28527f7bc297.jpg)
A light beam parallel to axis is incident on the system of four convex lenses A, B, C and D . Focal lengths of A, B, C and D are 30 cm,
![In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length](https://dwes9vv9u0550.cloudfront.net/images/2497948/7dbb0cd0-fe1f-4a28-a788-ed39d18d554f.jpg)
In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length
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![In a laboratory four convex lenses L(1), L(2), L(3) and L(4) of focal lengths 2,4,6 and 8 cm respectively are available. Two of these lenses form a telescope of length 10 cm In a laboratory four convex lenses L(1), L(2), L(3) and L(4) of focal lengths 2,4,6 and 8 cm respectively are available. Two of these lenses form a telescope of length 10 cm](https://d10lpgp6xz60nq.cloudfront.net/ss/web/312792.jpg)
In a laboratory four convex lenses L(1), L(2), L(3) and L(4) of focal lengths 2,4,6 and 8 cm respectively are available. Two of these lenses form a telescope of length 10 cm
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A) Top view of the geometry of the four convex‐striped fin. (B) A–A... | Download Scientific Diagram
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![In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length In a laboratory four convex lenses L1, L2, L3 and L4 of focal lengths 2, 4, 6 and 8 cm respectively are available. Two of these lenses form a telescope of length](https://i.ytimg.com/vi/n1nWNddlz5I/maxresdefault.jpg)