here are the Zeta symbol in physics | how to write or insert Zeta symbol in text copy paste ?
answer : Zeta symbol in lower case = ζ
Zeta symbol in uppercase = Ζ
so we have seen above that the symbol of “Zeta” in our 12th 11th physics written as text “Ζ” or “ζ” .
You can just copy and paste the symbol of Zeta here as “ζ” in lower case and “Ζ” in upper case in Microsoft word or in other file “ζ” and also “Ζ”