Question

Page No.
محله جميل يا مرهقحامید مل عماليا
what do you mean by lenses also mention it's types
mention sits types ?​

Answer 1

Answer:

a curved piece of glass that makes things look bigger, clearer.

lenses are two types

concave and convex lens.

the site type are

myopia: far sightness , can't see near object

hypermetropia: short sightness, can't see far object

Answer 2

Answer:

A lens is a transmissive optical device that focuses or disperses light beams by means of refraction. ... Simple lens and compound lens are the two classifications of lenses. Simple lenses are different from compound lenses based on their surface of curvature. Following are the different types of simple lenses.

Explanation:

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