Question

simple microscope is used for watch repairs, why?

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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Answer 2

$\large\bf\underline\purple{Ánѕwєr:-}$

❤A ѕímplє mícrσѕcσpє íѕ uѕєd вч wαtch rєpαírєrѕ вєcαuѕє,α mαgnífícαtíσn σf αвσut 20 tímєѕ íѕ σвtαínєd вч thє cσnvєх lєnѕ σf ѕmαll fσcαl lєngth uѕєd ín αѕímplє mícrσѕcσpє. thєrєfσrє, ít íѕuѕєd вч wαtch rєpαírєrѕ tσ ѕєє thє mínutє pαrtѕ σf thє wαtch clєαrlч wíthσut cαuѕíng αnч ѕtrαín tσ thє єчєѕ.