Physics
Complete the following table —
| Type of lens | Position of object | Nature of image | Size of image |
|---|---|---|---|
| Convex | Between the optical centre and focus | ||
| Convex | At focus | ||
| Concave | At infinity | ||
| Concave | At any distance |
Refraction Lens
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Answer
| Type of lens | Position of object | Nature of image | Size of image |
|---|---|---|---|
| Convex | Between the optical centre and focus | Virtual and upright | Magnified |
| Convex | At focus | Real and inverted | Highly magnified |
| Concave | At infinity | Virtual and upright | Highly diminished |
| Concave | At any distance | Virtual and upright | Diminished |
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Related Questions
In the diagrams below, XX' represents the principal axis, O the optical centre and F the focus of the lens. Complete the path of the rays A and B as they emerge out of the lens.
(a)
(b)
A lens forms an upright and magnified image of an object.
(a) Name the lens.
(b) Draw a labelled ray diagram to show the image formation.
Distinguish between a real and a virtual image.
In each of the following cases, where must an object be placed in front of a convex lens so that the image formed is,
(a) at infinity,
(b) of same size as the object,
(c) inverted and enlarged,
(d) upright and enlarged?