Question

is steredian a three dimensional physical quantity?

Answer 1

Hi there

Let me tell first what this steradian meant is

Steradian :- Steredian is a Derived physical Unit which is the SI unit for the solid angles usually denoted by the Sr

Now coming to your Question :-
Question is , is Steredian a three dimensional physical Unit ?

Answer :- No Steredian is the dimensionless unit it mean that doesn't has any dimensions but is considered 1 dimension unit

Hope this help ya☺