Question

Radius of curvature of one surface of double convex lens is three times of the other . If focal length of the lens is 30cm and refractive index of the lens is
3/2 then radius of curvature of that surface is

Answer 1

Answer:

https://goo.gl/search/what+is+oedema

Swollen ankles, feet and legs (oedema) - NHS Swelling in the ankles, feet and legs is often caused by a build-up of fluid in these areas, called oedema. Oedema is usually caused by: standing or sitting in the same position for too long. eating too much salty food.

Explanation:

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Answer 2

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