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What kind of lens is an air bubble in wa...

What kind of lens is an air bubble in water?

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Concave lens. This is because both the convex surfaces face towards denser (water) medium and air inside the bubble is rarer.
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SUBHASH PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-NUMERICALS WITH SOLUTIONS
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  2. Show that lateral shift is equal to the thickness of the slab for graz...

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  3. Refractive index of a prism of angle 8^(@) is 1.55. Find the angle of ...

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  4. A transparent cube of side 0.18 m has an air bubble in it. When viewed...

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  5. A ray of light is incident an angle of 50^(@) on one face of a cube o...

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  6. Show that area of circular patch of light on water as seen from a wate...

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  7. Given that the angle of minimum deviation for a colour is 43^(@)48' an...

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  8. Given that the angle of the prism is 60^(@) and its RI for a certain c...

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  9. A ray of light is incident on a prism at an angle 50^(@) and angle of ...

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  10. An air bubble is situated at a distance of 0.08 m from the centre of a...

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  11. An equibiconvex lens of radius of curvature 0.20 and refractive index ...

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  12. A parallel beam of light strikes the first surface of a glass sphere o...

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  13. An angular magnification of 30 X is desired using an object lens of f...

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  14. Two lenses of focal lengths 0.20 m and 0.30 m are kept in contact with...

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  15. An equibiconvex lens has a focal length of 20 cm. A ball pin of length...

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  16. A convex lens has a focal length of 0.1 m in air. Calculate its power....

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  17. A plano - convex lens has a focal length of 0.25 m and is made of glas...

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  18. A point object is placed at a distance of 12 cm on the axis of a conve...

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