1.

Draw images formation due to refraction through a concave lens.

Answer»

SOLUTION :Object at Infinity:
(i) When an object is placed at infinity , a virtual IMAGE is formed at the focus.
(ii)The SIZE of the image is much smalle than that of the object.

Object anywhere on the PRINCIPAL axis at a finite distance:
(i) When an object is placed at a finite distance from the lens, a virtual image is formed between pole adn focus of the convex lens.
(ii) The size of the image is smaller than thatof the object .


Discussion

No Comment Found