English, asked by alawani, 5 months ago

اكتبي موضوع عن اين تحبين ممارسه الرياضه في البيت او المنزل​

Answers

Answered by Anonymous
1

The two applications of a convex lens are:-

It is used as an objective lens in a telescope, camera, slide projector, etc.

With its short focal length it is also used as a magnifying glass.

The two applications of a concave lens are:-

A person suffering from short sightedness or myopia wears spectacles having concave lens.

A concave lens is used as eye lens in a Galilean telescope to obtain an erect final image of the object.

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