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Type of research is research and development. This development research aims to produce physics learning device using qualified problem based learning assisted by virtual experiment has a valid, practical, and effective which to increase students generic science skills in subject of optical instruments. Learning device is guided teacher in learn process at class. In this study, the generic skills that discussed on the science field, called generic science skills. The development model had used four D model consisting of define, design, develop and dessiminate phases. Trial of product conducted in students of eleventh grade of the senior high school one east Praya. The method used was pre experiment with one group pretest posttest design. The instruments were validation sheet and observation sheet. The results of the define phase are obtained through curriculum, student analysis, task anlysis, procedural analyisis, concept and specifying instructional The results of the design phase is derived from the design of learning devices model problem based learning assisted with virtual experiment. The result of develop phase based on validation process which obtained data from validator assesments of the lesson plan, students worksheet, learning materials, and test of generic science skills with very valid category.