The minimum magnification produced by si...

The minimum magnification produced by simple microscope of focal length 5 cm is

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(a) Draw a labelled ray diagram showing the formation of a final image by a compound microscope at least distance of distinct vision. (b) The total magnification produced by a compound microscope is 20. The magnification produced by the piece is 5. The microscope is focused on a certain object. The distance between the objective and eyepiece is observed to be 14cm. If least distance of distinct vision is 20cm, calculate the focal length of the objective and the eye piece.

If we need a magnification of 400 from compound microscope of tube length 150 mm and an objective of focal length 5 mm, the focal length of the eye-piece, should be dose to : (final Image is at infinity).

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AAKASH INSTITUTE ENGLISH-Mock Test 36-Example

A person cannot see objects clearly beyond 125 cm. The power of the le...
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In a compound microscope, the intermediate image is
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If fo and fe are the focal lengths of the objective lens and eye-piece...
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In a laboratory five convex tenses L1, L2, L3, L4 and L5 of focal leng...
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The minimum magnification produced by simple microscope of focal lengt...
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The difference between maximum magnification and minimum magnification...
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A person cannot see objects clearly that are closer that 1 m and farth...
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Magnifying power of an astronomical telescope is M.P. If the focal len...
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A far sighted person cannot see object clearly al a distance less than...
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Select the correct option
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In order to increase the magnifying power of a telescope
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Identify the correct description of the below figure
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The shape of reflected wavefronts in case of reflection of plane wave ...
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For point source, the wavefront is
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The value of angle r in figure below is
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Huygen's wave theory explain the phenomena of
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Huygen's principle allows us to determine,
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According to Huygen's principle
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How is a wavefront related to the direction of corresponding rays ?
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When source is linear, the wavefront is
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