Question

Give scientific reasons. (any two) 04

1) Simple microscope is used for watch repairs.

2) In cold regions, the winter rocks cracks due to anomalous​

Answer 1

Answer:

A simple microscope is used by watch repairers because,a magnification of about 20 times is obtained by the convex lens of small focal length used in a simple microscope. Therefore, it is used by watch repairers to see the minute parts of the watch clearly without causing any strain to the eyes.

Explanation:

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