Question

Simple microscope is used to watch repaire. give reason

Answer 1

1. A magnifying glass works on the principle of simple microscope.

2. When an object is placed within the focal length of a convex lens , we get a virtual, erect and magnified image on the same side of the lens.

3. This principle is used by the watch repairer to see the small parts more clearly. Hence , watchmakers use a magnifying glass while repairing wristwatches.

Hope it helps.

Thanks!

Answer 2

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1. When an object is placed within the focal length of a magnifying glass or simple microscope (convex lens), its larger and erect image is obtained on the same side of the lens as that of the object.

2. By adjusting the distance between the object and the lens,, the image can be obtained at the minimum distance of distinct vision.

3. Thus, a watch repair can see the minute parts of a watch more clearly with the aid of a magnifying glass (a simple microscope) than with the naked eye, without any stress on the eye.

Hence, a simple microscope is used to repair watch.

Hope it helps!

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