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SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (Fill in the blanks (Covers whole unit))
- The size of the image formed as the distance between the object and ...
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- lenses are used as wide angle spy hole in doors.
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- The ability of a lens to converge and diverge is called as its .
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- lenses are used in camera lenses.
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- The distance and perpendicular to the principal axis is taken as posi...
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- is defined as the ratio of the heigth of the image to the heigth of a ...
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- Any optically will have a refractive index.
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- Convex lens mostly produces image.
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- Power of a lens is numerically defined as the reciprocal of its .
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- and the lens maker's formula are applicable to only thin lenses.
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- protects the internal parts of the eye.
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- is the coloured portion of the eye.
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- A thin and transparent layer on the surface of eyeball is .
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- Central part of eye and pathway for the light to retina is .
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- Eye lens is fixed between the muscles.
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- Eye lens is in nature.
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- The ability of the eye lens to focus nearby as wll as the distant obje...
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- is the centre part of the iris.
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- Power of accommodation is achieved by changing the of the eye lens.
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- The least distance of distinct vision is .
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