Question

It is a general belief that we should not come out of the house to see “Solar

Eclipse” because it can have evil impact on life but nowadays educated

people allow their children to see solar eclipse, treating it as a natural science

phenomenon, but children are advised to see them by U.V. protected

sun glasses (crooke’s lenses) to avoid harmful impact of UV light on eyes.

(i) Write the name of transition metal oxide used in making U.V protected lens.

(ii) By allowing the children to see solar eclipse using U.V. protected lens which

value the educated people trying to inculcate in the children.

(iii) Which rays are present in the light which can damage the eye while viewing

solar eclipse with naked eye.

Answer 1

1) Zinc Oxide

2) Scientific Aptitude

3) UV rays