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    				| 1. | Give scientific reasons: a. Simle microscope is used for watch repairs. | 
| Answer» Solution :1.Simple microscope is a single biconvex lens. 2. When the object is placed within its FOCAL length, it forms, virtual and enlarged image in front of the lens. 3. A simple microscope can magnify the object about 20 times. Therefore, the WATCHMAKER can WORK on the MINUTE PARTS of the watch easily. | |