Ray Diagram for Converging Lens


 
 
Concept Explanation
 

Ray Diagram for Converging Lens

Converging lens:

Converging  lens is the lens in which the parallel rays of light passing through it converge or meet at a single point. Convex lens  which is thicker in the centre converges the rays of light passing through it . That is why it is known as converging lens.

Ray Diagram of Converging Lens:

Ray diagram helps us to determine location, size, orientation and the type of image that will be formed by the lens. 

S.No.

                    Ray Diagram

Position of object

Position of image

   1    At Infinity   Real, inverted, diminished, at F
   2  Between infinity and 2F Real,inverted,diminished, between F and 2F
   3      At 2F Real, inverted, equal in size, at 2F
   4 Between 2F and F   Real, inverted,enlarged, between 2F and
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Sample Questions
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Question : 1

Which of the following are correct ?

(a) Diverging  lens is the lens in which the parallel rays of light passing through it converge or meet at a single point. 

(b) Convex lens is thicker in the centre and converges the rays of light passing through it .

Right Option : B
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Explanation
Question : 2

When an object approaches a convex lens, the size of the image formed will _______________

Right Option : B
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Explanation
Question : 3

A ray passing through the focus and falling on the lens:

Right Option : B
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Explanation
 
 
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