Ray Diagram for Diverging Lens


 
 
Concept Explanation
 

Ray Diagram for Diverging Lens

Ray Diagram For Diverging Lens

Formation of image:

1. When object  is at infinity image will be formed at focus on the same side of the lens. The image formed will be virtual, erect and point size as shown in  the fig. 1 in the table.

2. When object is placed somewhere between infinity and optical centre than the image is formed between optical center and focus. The image formed will be virtual, erect and smaller as shown in the fig.2 in the table.

S.No. Ray Diagram Position Of Object Position of Image Nature of Image
1     At Infinity       at F_2  Virtual Point sized
2 Between infinity and O Between F_2 and O Virtual, erect and  smaller in size
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Sample Questions
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Question : 1

When object is placed somewhere between infinity and optical centre and the image is formed between optical center and focus moreover the image is virtual, erect and smaller in size the the lens is ________________.

Right Option : C
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Explanation
Question : 2

A ray of light passing through the focal point at an angle to the optic axis of a concave mirror is reflected back ___________________

Right Option : C
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Explanation
Question : 3

Which of the following are correct ?

(a) When object is at infinity image will be formed at focus on the same side of the lens in case of diverging lens..

(b) When object is at infinity image formed will be virtual, erect and point size in case of diverging lens .

(c) When object is placed somewhere between infinity and optical centre than the image is formed between optical center and focus in case of diverging lens.

Right Option : D
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Explanation
 
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