okay, so please observe this. Before going to give the definition of the critical angle, let us have an idea, ಏನದು ಅಂತಂದ್ರೆ, let us consider a medium, let us consider a medium.
okay, so please observe this. Before going to give the definition of the critical angle, let us have an idea, enadu antandre, let us consider a medium, let us consider a medium.