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R G PUBLICATION-RAY OPTICS AND OPTICAL INSTRUCMENTS-EXERCISE
- Name the principle on which an optical fibre works.
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- An object is placed at the focus of concave lens. Where will its image...
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- What is paraxial?
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- Draw a neat diagram of image formed by a convex mirror.
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- What is lens maker's formula?
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- What is Snell's law.
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- What is critical angle? How is it related with refractive index?
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- What is the focal length of a plane mirror.
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- What is absolute refractive index and relative refractive index?
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- What is the technical applications of total internal reflection?
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- What is minimum deviation for an equilateral prism?
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- What is myopia? How it can be removed?
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- What is pure spectrum?
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- What is meant by despersion of light?
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- What is the ratio of speed of IR rays and UV rays in vacuum?
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- Determine the refractive index of a substance if cirtical angle is 45^...
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- Can dispersive power of prism be negative?
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- State the nature of solar spectrum.
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- What is the condition for total internal reflection?
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- Draw 180^@ and 90^@ deviation in a prism.
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