निम्नलिखित में से कौन-सी ऊष्मा अंतरण की विधि नहीं है? - Which from the following is NOT a method of heat transfer? - NimnLikhit Me Se Kaun - Si Ushma Antaran Ki Vidhi Nahi Hai ? Gen Science GS in hindi, question answers in hindi pdf questions in hindi, Know About Gen Science GS online test Gen Science GS notes in hindi quiz book