Ideally, the most optimal length of a research paper is around 5 pages for short papers and 10 pages for a long one. However, the exact length of your term paper is best determined by your instructor and the instructions that he provides.
Also know, what are the parts of research paper Chapter 1?
What are the different parts of Chapter 1 in research? This chapter includes the introduction, theoretical framework, statement of the problem, hypothesis, scope and limitation, conceptual framework, significance of the study and the definition of terms used.