Glasses, cameras, flashlights, binoculars, telescopes and peepholes are all made using __ lenses
a.) concave lenses
b.) convex lenses

Option (B) is true. convex lens

Explanation:

In all the devices as cameras, flashlights, binoculars, telescopes, pinholes, etc, we have to use convex lens, because in all such devices we have to concentrate the light at a point and which can be done by convex lens.

Convex lens converges the rays of light.

your answer is yx

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~mia

answer: i don't know the answer good luck

explanation: