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Doctors Medicines MCQs Q&A

Describe the name of the different position of the object, image, nature and size of the image and its uses.

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Position of the object Position of the image Nature and size of the image Use
At infinity At the focus Real, inverted and diminished  Used by ENT surgeons and dentists
Beyond the centre of curvature Between the focus and the centre of curvature. Real, inverted and diminished. Used in solar cookers
At the centre of curvature At centre of curvature  Real, inverted and same size as object. Used as an erecting mirror in terrestrial telescopes
Between the focus and centre of curvature Beyond the centre of curvature Real, inverted and magnified Used in hospitals and clinics to see the internal parts of the body.
At focus At infinity  Real, inverted and magnified. Used in search lights and in head lights of motor cars.
Between the pole of the mirror and the focus. Appears behind the mirror Virtual, erect and magnified. Used as a shaving mirror.

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