Question

Difference between simple microscope and compound microscope five points

Answer 1

Hey hii....

Here is your answer....

SIMPLE MICROSCOPE:

     #Simple microscope is used at a basic level,where there is no rigorous requirement of research.

    #There is single lens in simple microscope.

    #Condenser lens is absent.

    #Light source is natural.

    #Mirror is concave-reflecting type.

COMPOUND MICROSCOPE:

    #Due to an added lens to a compound one,professionals use this for research purposes.

   #There are 3 to 5 objective lenses in a compound which helps in magnifying algae,fungi and bacterium.

  #Condenser lens is present which is used to adjust the intensity of light for magnification of object.

   #illuminator  is a source of light which is helpful when small,minutest pieces needed to be seen.

   #Mirror is plane at one side and concave at other side.

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Answer 2

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$\huge\mathfrak\purple{simple\:microscope}$

(See fig 1st)

It is used for observing magnified images of objects. It is consists of a converging lens of small focal length.

Magnifying Power

(i) When final image is formed at least distance of distinct vision (D), then M=1+d/f

where, f= focal length of the lens.

(ii) When final image is formed at infinity, then M = D/f

$\huge\mathfrak\purple{Compound\:Microscope}$

(See fig. 2nd)

It is a combination of two convex lenses called objective lens and eye piece separated by a distance. Both lenses are of small focal lengths but fo < fe, where fo and feare focal lengths of objective lens and eye piece respectively

Magnifying Power

M = vo / uo {1 + (D/fo)

Where vo= distance of image, formed by objective lens and

uo = distance of object from the objective

(ii) When final image is formed at infinity, then

M = vo/uo . D/fe

$\huge\mathfrak\purple{Astronomical\:microscope}$

(See fig. 3rd)

It is also a combination of two lenses, called objective lens and eye piece, separated by a distance. It is used for observing distinct images of heavenly bodies like stars, planets etc

Magnifying Power

(i) When final image is formed at least distance of distinct vision (D), then M = fo/fe {1+ (D/fe)} where foand fe are focal lengths of objective and eyepiece respectively.

Length of the telescope (L) = (fo + ue)

where, ue = distance of object from the eyepiece.

(ii) When final image is formed at infinity, then M = fo/fe

Length of the telescope (L) = fo + fe

For large magnifying power of a telescope fo should be large and feshould be small.

For large magnifying power of a microscope; fo < fe should be small.

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