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{:(" Column - I "," Column - II...

`{:(" Column - I "," Column - II "),(" a) ""A lens that can form a real image"," P) ""Convex lens"),(" b) ""A lens that forms virtual and diminished image "," Q) ""Concave lens"),(" c) ""Incident ray is parallel to emergent ray"," R) ""Denser medium"),(" d) ""A substance in which speed of light is less"," S) ""Rectangular glass lab"):}`

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{:(" Column - I "," Column - II " ),(" a) ""Ciliary muscles"," P) ""Slackened"),(" b) ""Suspensory ligaments"," Q) ""Thick"),(" c) ""Muscle tension on lens"," R) ""Contract"),(" d) ""Lens shape"," S) ""Low"):}

Show by drawing a ray-diagram that the image of an object formed by a concave lens is virtual, erect and diminished.

A : The image formed by a concave lens is always virtual. R : The rays emerging from a concave lens never meet on the principal axis.

A : The image formed by a concave lens is always virtual. R : The rays emerging from a concave lens never meet on the principal axis.

What kind of lens can form: a) an inverted magnified image? an erect magnified image? c) an inverted diminished image? d) an erect diminished image?

Is it possible that the image of real object formed by thin concave lens is (i) inverted, (ii) real, (iii) diminished ?

Explain with neat ray diagram, formation of diminished and inverted image, formed by a convex lens.