-
The Human Eye | The Human Eye and Colourful World
THE HUMAN EYE The human eye is one of the most valuable and sensitive sense organs, which enable us to see the colourful world around us. It is just like a photographic camera. The lens system of the eye forms an image of the object on a light sensitive screen. STRUCTURE OF THE EYE The…
-
CBSE Class 10 Chemistry | Chemical reactions | Introduction
Physical and Chemical Changes Change in Matter Change in matter can be studied in two major ways. The two types of changes are as follows: Difference between Physical Change And Chemical Change Physical Change Chemical Change (i) Those changes in which no new substances are formed are called physical changes. (i) Those changes…