A concave lens forms virtual, diminished, and erect images. Which of the given devices uses a concave lens?

Peephole lens used in doors

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Magnifying glass

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Periscope

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Satellite dishes

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Solution

The correct option is A Peephole lens used in doors

Peepholes give a panoramic view of objects outside walls or doors.

A concave lens minimises the proportions of the objects and gives a wider view of the area.

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Similar questions

A concave lens forms the image of an object which is :

(a) virtual, inverted, and diminished

(b) virtual, upright, and diminished

(d) virtual, upright, and enlarged.

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