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