S.   Ra jasekar
            School of Physics, Bharathidasan   University, Tiruchirapalli   – 620   024,   Tamilnadu,   India∗

                                  P.   Philominathan
                      Department of   Physics, Sri   AVVM   Pushpam   College,
                        Poondi,   Thanjavur   –   613   503,   Tamilnadu,   India

                                  V.   Chinnathambi
            Department of Physics, AKGS   Arts College,   Srivaikundam – 628 619,   Tamilnadu, India

          In   this   manuscript   various   components   of research are   listed   and   briefly   discussed.   The topics considered in this write-up cover a part of the research methodology paper   of Master of Philosophy (M.Phil.)   course and Doctor of Philosophy (Ph.D.) course.   The manuscript is intended for students and research scholars   of science subjects such as mathematics, physics, chemistry, statistics, biology and computer science.   Various   stages of research are discussed   in detail.   Special care has been taken to motivate the young researchers to take up challenging   problems. Ten assignment works are given. For   the   benefit   of young   researchers a short   interview   with   three   eminent   scientists   is included   at the end of the manuscript.

        I. WHAT IS   RESEARCH?

  Research   is a   logical   and   systematic search   for   new and   useful   information on   a   particular topic.   It is an investigation of finding solutions to scientific and   social problems   through   objective   and   systematic   analysis.   It is a search for knowledge, that is, a discovery of hidden truths.   Here knowledge   means   information about mat- ters.   The   information might be collected from different sources like experience,   human   beings,   books,   journals, nature, etc.   A research can lead to new contributions to the existing knowledge.   Only through research is it possi- ble to make progress in a field. Research is done with...

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