How will you identify the given lens is Convex lens and Concave lens ?

concave is curved in the middle and convex is thick on the side

Convex lenses curve outward like the outside of a sphere, while concave (cave= collapse is how i think it) lenses are thicker on the sides and thinner in the middle and tend to curve inward

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Hope this helps <33

none

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you did not provide anything to go off of.

answer: tell your parents first, and wait another couple of days. if it gets any worse, then you should call and ask. and you can always take pain meds if need be.

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