Question

expansion of ideaprepare the speech on the national science day on the topic india's position in the world in the field of scientific discovery​

Answer 1

Ur Answer:-

National Science Day is being observed today. The day is celebrated every year on 28th of February to commemorate the discovery of the 'Raman Effect'. On this day, Physicist CV Raman announced the discovery of the 'Raman Effect' for which he was awarded the Nobel Prize in 1930.

Answer 2

ANSWER:

A convex lens or converging lens focuses the light rays to a specific point whereas a concave lens or diverging lens diverges the light rays. When these lenses are combined, they produce sharper images. ...