Question

Mention any two practical devices that make use of convex lenses

Answer 1

Mention any two practical devices that make use of convex lenses

Ans. Used in magnifying glass,telescope,microscope. Uses of convex lens are in daily life are as follows : 1) Convex lens is used in microscopes and magnifying glasses to subject all the light to a specific point. 2)Convex lens is used as a cameralens in cameras as they focus light for a clean picture.
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Answer 2

1) Convex lens is used in the correction of hypermetropia.

2) The convex mirror is used as side-view mirror on the passenger side of a car because it forms an erect and smaller image for the way behind the car.

3) The convex mirror is suitable for convenient shop and big supermarket and any other corner where need anti-thief.

4) Convex mirrors are used inside the buildings. They are also used in making lenses of sunglasses. They are used in magnifying glass. They are used in securities and they are used in telescopes