On what place does convex lens act as a magnifying glass-
between F and 2F or
between F and O

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Solution

Position of the object Position of the image Nature of the image Size of the image Application

Between O and F₁ on the same side of the lens Erect and virtual Magnified Magnifying lens (simple microscope), eye piece of many instruments

At 2F₁ At 2F₂ Inverted and real Same size Photocopying camera

Between F and 2F₁ Beyond 2F₂ Inverted and real Magnified Projectors, objectives of microscope

At F₁ At infinity Inverted and real Magnified Theatre spot lights

Beyond 2F₁ Between F₂ and 2F₂ Inverted and real Diminished Photocopying (reduction camera)

At infinity At F₂ Inverted and real Diminished Objective of a telescope


Between O and F₁	on the same side of the lens	Erect and virtual	Magnified	Magnifying lens (simple microscope), eye piece of many instruments
At 2F₁	At 2F₂	Inverted and real	Same size	Photocopying camera
Between F and 2F₁	Beyond 2F₂	Inverted and real	Magnified	Projectors, objectives of microscope
At F₁	At infinity	Inverted and real	Magnified	Theatre spot lights
Beyond 2F₁	Between F₂ and 2F₂	Inverted and real	Diminished	Photocopying (reduction camera)
At infinity	At F₂	Inverted and real	Diminished	Objective of a telescope

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Similar questions

Q. At what position of the object does a convex lens act as a magnifying glass?

(a) between F and 2F
(b) between F and O
(c) beyond F
(d) beyond 2F

A virtual, erect and magnified image of an object is to be obtained with a convex lens. For this purpose, the object should be placed : (a) between 2F and infinity (b) between F and optical centre (c) between F and 2F (d) at F

Q. An object placed between

F

and

2 F

of a convex lens will produce an image

When the object is placed beyond 2F in front of convex lens, the image is formed

Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed : (a) at $2 F_{1}$ , (b) between $F_{1}$ and the optical centre O of the lens. Which of the above two cases shows the use of the convex lens as a magnifying glass ? Give reasons for your choice.

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On what place does convex lens act as a magnifying glass- between F and 2F or between F and O

On what place does convex lens act as a magnifying glass-
between F and 2F or
between F and O