ICSE /Class 10
Physics MCQ Based On Lenses
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ICSE Class 10 Physics Lenses
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When radii of curvature of the two surface of lens are equal then a lens is called equi-convex or equi-concave.
\\(\\frac{1}{f}=\\frac{1}{v}-\\frac{1}{u}\\Rightarrow \\frac{1}{v}=\\frac{1}{u}+\\frac{1}{f}\\Rightarrow \\frac{1}{v}=\\frac{1}{-100}+\\frac{1}{20}\\)
Think about lateral displacement
Convex lens is also known as converging lens.
\\(\\frac{1}{f}=\\frac{1}{v}-\\frac{1}{u}\\Rightarrow \\frac{1}{v}=\\frac{1}{u}+\\frac{1}{f}\\Rightarrow \\frac{1}{v}\\)
When will convex lens form a virtual image?
Optical center and Focal point
Can not determine
Now the half part is covered
Curvature
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