Explain the working of an astronomical t...

Explain the working of an astronomical telescope using refraction of light.

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CHETAN PUBLICATION-LENSES-Assignment

The defect of myopia can be corrected by using .
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The tendency of pupil to adjust the opening for light is called ………………...
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In simple microscope ........................ lens is used.
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Farsightedness can be corrected by using ............... lens.
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The perception of dim light is concerned with …………….. cells.
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An object is placed at a distance of 15 cm from a convex lens. If the ...
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Why is a normal eye not able to see clearly the objects placed closer ...
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Distinguish between farsightedness and nearsightedness.
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Draw a neat and labelled diagram of human eye.
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A 5 cm high object is placed at a distance of 25 cm from a converging ...
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Draw a neat and labelled ray diagram for convex lens. When object is ...
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Draw a neat and labelled ray diagram for convex lens. When object is a...
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Explain the working of an astronomical telescope using refraction of l...
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Differentiate the eye defects : Myopia and Hypermetropia .
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