The exam consists in an oral test. The student may choose to take two separate exams, one for each module, or undergo a single test on the full program at the end of the second semester. The first part of the exam will deal with statistical physics. The student will be asked to solve one problem under the supervision of the examiner. This test allows to verify the ability of the student to understand a problem, to identify the physical mechanism at the basis of the phenomenon and to set up a simple model for the quantitative interpretation of the problem. Later, the student will be asked to discuss one or more topics presented in the course. This second part allows to verify if the student deeply understood the physical mechanisms at the basis of the phenomena discussed in the course. In order to pass the exam the student must be able to frame the problem and to master in a sufficient way the topics discussed in the oral test. In order to successfully pass the exam the student must be able to solve correctly the problem and master the topics discussed in the oral test. Full marks will be granted to the student who is able to solve correctly the problem without any help from the examiner and to answer in an exhaustive way the questions posed in the oral test. This first part will be evaluated with a mark and can be taken starting from the end of the first semester. The second part of the exam can take place after the end of the second semester and follows the same model as the first one. It will deal with atomic and molecular physics and solid state physics. Also this part will be evaluated by the same criteria as the first one and will give rise to a mark. The final grade will be the average of the marks obtained in each module.