Physics
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.
Refraction Lens
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Answer
(a) The lens is a convex lens. A convex lens forms an upright and magnified image, when the position of the object is between the lens and F1.
(b) Below labelled ray diagram shows the image formation:
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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)
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?
Distinguish between a real and a virtual image.
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