Question

i). Name the lens LL' ?

ii). Give the characteristics of the image formed ?

iii). What are the points a F₁ and F₂ called ?

iv). What is the use of above case ?

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Answer 1

Answer:

i) Convex Lens.

ii) Real, Inverted and Highly Magnified.

iii) They are called Focus.

iv) To make microscopes.

Explanation:

i) The lens LL' is a convex lens as it is converging the light rays.

ii) The image will be formed at infinity which will be real, inverted and highly magnified.

iii) F1 & F2 are called the Principal Focus of the lens i.e. the point where all the rays parallel to the lens would meet.

iv) Convex Lenses are used for making microscopes.

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