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Simple Microscope

Which of the ...

Question

Which of the following optical instrument is used for watch repair and testing of precious gems?

A

Compound microscope

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B

Refracting telescope

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C

Simple microscope

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D

Reflecting telescope

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Solution

The correct option is C Simple microscope
A convex lens with small focal length is used in a simple microscope. It produces a virtual, erect and bigger image of the object which makes it ideal for watch repairing, testing of precious gems etc.

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