Mention three purposes of using lens combination in optical instruments?
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1) Magnification of small object kept close by - Microscope.
2) Magnification of objects at large distances - Binoculars, Telescope.
3) Projection of Images from a source on to a screen - Projector.
1) Magnification of small object kept close by - Microscope.
2) Magnification of objects at large distances - Binoculars, Telescope.
3) Projection of Images from a source on to a screen - Projector.
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