When is the image formed by convex lens virtual and erect?

When the object is placed between the focus $F_{1}$ and optical centre O.

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When the object is placed at the focus $F_{1}$ .

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When the object is placed between the focus $F_{1}$ and $2 F_{1}$

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When the object is placed at the focus $2 F_{1}$ .

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Solution

The correct option is A
When the object is placed between the focus $F_{1}$ and optical centre O.

The image formed by a convex lens is virtual and erect when the object is placed between the focus $F_{1}$ and optical centre O. The image is on the same side of the lens as the object and is enlarged.

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Similar questions

F_{1}

O

If an object is placed between F1(first focus) and the optical centre of a convex lens, then the image formed will be

(v i r t u a l / r e a l)

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.

(b e h i n d / f r o n t)

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