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CHETANA PUBLICATION-LENSES-Exercise
- Define the following: Radii of curvature (R)
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- Define the following: Principal axis
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- Define the following: Optical centre(O)
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- Define the following: Principal Focus(F)
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- Define the following: Focal length (f)
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- Define the following: Convex lens
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- Define the following: Real image
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- Define the following: Virtual image
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- Define the following: Convex lens
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- Define the following: Diverging lens
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- Define the following: Convex lens
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- Define the following: Ratina
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- Define the following: Iris
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- Define the following: Pupil
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- Define the following: Power of accommodation
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- Define the following: Distance of distinct vision
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- Distinguish between : Farsightedness and Nearsightedness
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- Distinguish between : Concave lens and convex lens.
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- Distinguish between : Real image and Virtual image
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- Give scientific reasons: Simple microscope is used for watch repair
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