The Department of Physics is one of the oldest departments existing since the inception of the college in 1945 before Independence. In the beginning physics was taught for B.Sc. Physics main, old two year Intermediate, Pre University and pre professional courses of first year MBBS, first Year Ag. B. Sc. and first year B.V. Sc. From 1964 onwards physics has been taught for B.Sc. general courses, Mathematics-Physics-Chemistry and Chemistry-Physics-Zoology.

At present Physics offered in B.Sc. course with four combinations viz.,

• Mathematics-Physics-Chemistry (English and Telugu medium)
• Mathematics-Physics-Electronics (English medium)
• Mathematics-Physics-Computer Science (English medium)
• Chemistry-Physics-Zoology (English medium)

In the last combination (C.P.Z.), the Physics course is different from other combinations of Physics. The syllabus is different, having applications of Biological aspects, such as electrical activity in muscles, Neurons and Heart, ECG, EEG, X-rays, Radiation Hazards, Bio Medical Implant Materials, Nano Medical Applications etc., and this combination is offered in only two colleges in entire University area. These students have an advantage to join in hospitals like SVIMS , NIMS etc., as Technicians in Radiology, Cardiology, Neurology, Physiotherapy, Medical Physics etc.,

Among these eminent persons, Major B. Papa Rao who was the Head of the Department for 3 decades and then promoted as Principal, S.G.S. Arts College, Tirupati contributed very much for the development of the department both physically and academically, for which the department is indebted to him. Moreover, he worked as NCC officer for more than 20 years attaining the Major cadre, inculcating well discipline among the students.

With the influence of the above eminent personalities, many students were attracted towards teaching profession who are now working as Professors, Lecturers and Teachers in various institutions.

The department introduced job oriented courses like Electronics in 1990 and computer Science in 1991. Some hundreds of our students are working as software engineers all over India and abroad more at USA.

Dr P. Babu Rao acted as the head of the department of Computer Science after separation of the department from 1993 till his retirement in 1996. He is an author of several books published by S. Chand & Co. and Telugu Academy.

Dr. C.B.S. Bangar Raju established a Spiritual Homeopathy free Clinic with the permission of TTD and treated several people for many years up to his retirement in 1996. Dr. N. Venugopal Reddy has gained the knowledge of Homeopathy under his guidance and worked together from 1991 to 1996.

• The Department has an excellent track record with regard to the results.
• Results in Physics during the academic year 2017-18, 94% of the students have passed in Physics with 72 securing distinction and 58 first class. For the academic year 2018-19, 91% of the students have passed in Physics with 84 securing distinction and 58 first class. For the academic year 2019-20, 95% of the students have passed in Physics with 92 securing distinction and 68 first class.

The Department of Physics consists of 4 well equipped labs catering to the needs of the students.

• Lab I : Mechanics Lab for First year students with a dimension of 50’x30’ and named as Newton's Lab.
• Lab II: Optics and Thermodynamics for II Year students with a dimension of 20’x30’ and named as Raman's Lab.
• Lab III: Electricity & Magnetism for III year students with a dimension of 30’x30’ and named as Faraday's Lab.
• Lab IV: Modern Physics and Electronics for III Year students with a dimension of 20’x20’ and named as Einstein's Lab.

In addition to these labs there are one well-furnished staff room with a dimension of 20’x30’, one separate room for HOD with a dimension of 10’x20’, store room with a dimension of 20’x20’, a room exclusively for Computer with internet facility and a reading room for the benefit of students.

• Applying major and minor research projects to continue research.
• Conducting experimental exhibitions by the students.
• Conducting educational tours and field trips every year.

• The Departmental library has more over 200 volumes of books for UG students, apart from the college library with numerous zoology related books and 50 volumes for Competitive Examinations.