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Results tagged with fiber-optics
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user 4816
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Plus and minus power of Cylinder
Your right eye has a +075 diopters spherical lens combined with a cylindrical with a power of -2.25 diopters and the axis of $180^{\circ}$ or horizontal.
Your Left eye has a +1 spherical and a -2.25 c …
- 22.8k
0
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Angle of incidence in concave mirrors
let's take two of the rays with the angle of incidence 5 degrees slanted from normal. .
As shown in the diagram they converge on a point on the focal plane.
Red lines are parallel light with the prin …
- 22.8k