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An image Y is formed of a point object x...

An image Y is formed of a point object x by a lens whose optic axis is AB as shown in Figure. Draw a ray diagram to locate the lens and its focus. If the image Y of object X is formed by a concave mirror (having the same optic axis AB) instead of lens, draw another ray diagram to locate the mirror and its focus. Write down the steps of construction of the ray diagrams.

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Since image is iverted hence lens is convex.
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An image B is formed of a real point object A by a lens whose optic axis is XY. (a) Draw a ray diagram to locate the lens and its focus point. (b) If A and B are separated by 20 cm along the axis, find the focal length of the lens.

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CP SINGH-REFRACTION AT SPHERICAL SURFACES-EXERCISES
  1. An image Y is formed of a point object x by a lens whose optic axis is...

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  2. An object O is stuck on the surface of a transparent solid spher of ra...

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  3. A poinit object O is placed in front of a glass rod having spherical e...

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  4. A point object O is kept at a distance OP=u The radius of curvature of...

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  5. A spherical surface of radius of curvature R separates air (refractive...

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  6. Figure shows figure three transparent medi of refractive indices mu1, ...

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  7. A glass hemisphere of radius 0.04 m and refractive index of the materi...

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  8. A small air bubble in a glass sphere of radius 2 cm appears to be 1 cm...

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  9. A ray of light falls on the surface of a spherical glass paper weight ...

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  10. Focal length of a convex lense in air is 10cm. Find its focal length...

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  11. The radius of curvature of the convex surface of a thin plano-convex l...

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  12. A convex lens of glass has power P in air. If it is immersed in water ...

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  13. A concave lens of glass, refractive index 1.5 has both surfaces of sam...

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  14. In figure, an air lens of radius of curvature of each surface equal to...

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  15. A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...

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  16. A hollow double concave lens is made of very thin transparent material...

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  17. The ray diagram could be correct

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  18. A lens of refractive index n is put in a liquid of refractive index n'...

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  19. A convex lens is dipped in a liquid whose refractive index is equal to...

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  20. Four lenses are made from the same type of glass, the radius of curvat...

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  21. An equi-convex glass lens with radius of each face as R is placed in a...

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