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Q. |
A simple microscope consists of : |
A. | a short focus convex lens |
B. | a long focus convex lens |
C. | a short focus concave lens |
D. | a long focus concave lens |
Answer» A. a short focus convex lens | |
Explanation: Simple microscope - light microscope consisting of a short focus single convex lens is used to produce an enlarged image. The magnifying glass was invented by Roger Bacon in 1250. In the original 'simple' microscopes, a single light path went through the object viewed and one lens, increasing the visibility of the object by some amount (magnification). |
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