Ray Optics And Optical Instruments

- A simple way to visualize theories through diagram
1
Image formation by concave mirror
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2
Image formation by convex mirror
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3
Lateral shift of a ray refracted through a parallel-sided slab
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4
Refraction and internal reflection of rays from a point A in the denser medium (water) incident at different angles at the interface with a rarer medium (air)
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5
a) The position of object, and the image formed by a double convex lens,
b) Refraction at the first spherical surface and
c) Refraction at the second spherical surface.
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6
Tracing rays through (a) convex lens (b) concave lens.
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7
Image formation by convex lens
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8
Image formation by concave lens
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9
A ray of light passing through a triangular glass prism.
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10
A simple microscope;
(a) the magnifying lens is located such that the image is at the near point,
(b) the object near the focal point of the lens; the image is far off but closer than infinity
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11
Ray diagram for the formation of image by a compound microscope
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12
Ray diagram of a refracting telescope
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13
Schematic diagram of a reflecting telescope (Cassegrain)
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