Question

concave and convex lens was discovered by whom​

Answer 1

Answer:

The first lens was a container of water. ... He found that images became magnified when seen through a glass ball filled with water. Roger Bacon (1214-1292?) invented the first convex lens in 1250. Concave lens were first used around 1450.

Explanation:

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Answer 2

Answer:

Hey Hi...

Explanation:

Concave - Nicholas Cusanus

Roger Bacon ( 1214 - 1292) invented the first Convex lens in 1250.

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