Everything around us undergoes some changes. The changes can be either physical or chemical. The cutting of hair is an example of physical change.
The physical change is defined as the type of change in which the physical properties of matter such as colour, state of matter, odour, solubility, etc. change. During this change neither the composition nor the chemical nature of the substance is changed.
In a physical change the molecules rearrange among themselves without affecting the internal composition. The chemical property of a substance is not affected by the physical change. But in chemical change the chemical composition of the matter change.
When you cut your hair, some of it is removed it is still your hair. The hair is altered somehow but remains the same substance. Hence it is a physical change. Other examples are cutting paper, melting of ice, etc.
Thus cutting your hair is a physical change.
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