Draw well labelled ray diagrams for image formation by convex lens when1 Object is at 2 F 12 Object between F 1 and 2 F 13 Object between focus F 1 and optical centre O-

(1) Ray diagram for image formation by convex lens when the object is at the centre of curvature 2F1: (2) Ray diagram for image formation by convex lens when ...

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Lens Formula and Magnification

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Question

Draw well labelled ray diagrams for image formation by convex lens when

(1) Object is at 2F₁

(2) Object between F₁ and 2F₁

(3) Object between focus F₁ and optical centre O.

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Solution

(1) Ray diagram for image formation by convex lens when the object is at the centre of curvature 2F₁:

(2) Ray diagram for image formation by convex lens when the object is placed between the focus F₁ and 2F₁:

(3) Ray diagram for image formation by convex lens when the object is placed between the focus F₁ and optical centre O:

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Draw ray diagrams showing the image formation by a convex lens when an object is placed

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(b) between focus and twice the focal length of the lens
(c) at twice the focal length of the lens
(d) at infinity
(e) at the focus of the lens

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Draw well labelled ray diagrams for image formation by convex lens when (1) Object is at 2F1 (2) Object between F1 and 2F1 (3) Object between focus F1 and optical centre O.

Draw well labelled ray diagrams for image formation by convex lens when

(1) Object is at 2F₁

(2) Object between F₁ and 2F₁

(3) Object between focus F₁ and optical centre O.