want to know the what r nasal consonnts in detail
Originally Posted by Unregistered
I would like to know what are nasal consonants in detail
Always start with a Google search: Nasal consonant - Wikipedia, the free encyclopedia
So the short answer, with respect to English, is /m/ /n/ and /ɳ/, but the fuller answer really is 'as long as a piece of string' (=as long as you care to make it).