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
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.
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?
Study the diagram given below.
(a) Name the lens LL'.
(b) What are the points O and O' called?
(c) Complete the diagram to form the image of the object AB.
(d) State the three characteristics of the image.
(e) Name a device in which this action of lens is used.
Study the diagram below.
(i) Name the lens LL'.
(ii) What are the points O and O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) State three characteristics of the image.