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Byju's Answer
Standard X
Physics
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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