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SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (Fill in the blanks (Covers whole unit))
- The scattering of sunlight by the atoms or molecules of the gases in t...
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- The amount of scattering of light is inversely proportional to the po...
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- According to Rayleigh's law, the shorter wavelength colours are scatte...
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- When sunlight passes through the atmosphere , the colour is scattered...
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- Mie scattering is also called as scattering .
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- Milk, ice cream , muddy water are .
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- The spectral lines having frequency equal to the incident ray frequenc...
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- The spectral lines which are having frequences other than the incident...
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- The lines having frequencies lower than the incident frequency is call...
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- The lines having frequencies higher than the incident frequency is cal...
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- is an optically transparent medium bounded by two spherical refracting...
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- When rays parallel to the principal axis strikes a concex lens, the re...
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- When an object is placed beyond C, a real and inverted images is forme...
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- lenses are used in making microscope and telescope.
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- When an object is placed between F and C, the size of the image is th...
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- If one of the focus of a bi-covnex lens is plane, it is known as a .
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- In a lens , one of the faces of a bi-concave lens is plane.
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- Concave lenses are used as eye lens of telescope.
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- When a ray of light strikes the lens obliquely at the optical centre,...
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- When a object is placed in between principal focus and optical centre ...
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