Question

why is the greek alphabet only used for physical symbols?

Answer 1

there are only so many symbols in the Greek and Latin alphabets, and scientists and mathematicians generally do not use symbols from other languages. It is a common trap to associate a symbol exclusively with some particular meaning, rather than learning and understanding the physics and relations behind it.

Answer 2

Explanation:

You find that most of the Greek letters are used in mathematics , physics and chemistry.