Why lens is called group of prism?
Answers
Answer:
A prism is a wedge of glass (plastic, whatever) that refracts light, causing it’s path to bend. The greater angle the wedge has, the greater the degree of deviation (also related to the refractive index (the optical density) of the glass or other material).For narrow-angle prisms this mainly just shifts the resultant position of the image (or from the position of someone viewing that image, it shifts the apparent position of the object).But because different length wavelengths are refracted/bent different amounts then for larger angle prisms it also causes the different wavelengths to become spread out in the image, thus producing a spectrum of colours from “white” light.A convex (+) or concave (-) lens can be thought of as two end-on prisms.Unless light is passing through the optical centre of a lens where the surfaces are parallel to each other (thus yielding no prismatic effect at the centre), light passing through the periphery of a lens experiences Prismatic effect.
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Explanation:
Answer:
A lens is card prism.
Explanation:
Because the medium through which the light is transfer is transparent.
Second point is that the lens is formed dur to pair of prism and both the medium have similarities light refraction and dispersion.
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