Question

"A concave lens always forms a virtual image." Justify this statement with the help of diagrames & also give explanation for the same. Write the characteristics of the image formed in the diagrams drawn (i.e. write the nature, size & position of the image formed in each diagram).​

Answer 1

Answer:

A concave mirror will only produce a virtual image if the object is located in front of the focal point. A plane mirror will always produce an upright image. A concave mirror will only produce an upright image if the object is located in front of the focal point.

A concave lens always produces a virtual image. It can never form a real image. The image is always formed on the same side of the lens as the object, thus can be seen in the lens only…

Characteristics of the images

•It is highly diminished,virtual and erect.

•Object is between infinity and optical centre of lens.

•Image is formed between focus and optical centre of the lens.

•It is virtual and erect.

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