The academic background commonly expected
For a B.Sc. Physics degree, the standard starting point is completion of Class XII or an equivalent qualification from a recognised board. Physics is normally a central subject in the school science combination, and Mathematics is often required or strongly relevant because the degree uses algebra, trigonometry, vectors and calculus. That is a broad description of the discipline, not a single national eligibility rule. Institutions define their own accepted subjects, minimum marks, board-equivalence documentation, category relaxations and admission method. Before applying, locate the current programme-specific notice for the exact award and campus rather than relying on a generic “science stream” statement.
Read the course name carefully. A B.Sc. with Physics as a major can have different subject requirements from a B.Sc. Physical Science combination, B.Sc. (Hons.) Physics, integrated M.Sc. Physics or B.Sc.-B.Ed. Some programmes require Physics and Mathematics in Class XII; a combined physical-science programme may specify another set of subjects. A student who has studied Physics but not the mathematics paper required by the target course may not qualify simply by taking a new entrance paper later. Conversely, some programmes may allow specified equivalent qualifications or subject combinations. Only the published regulation can settle the case.
A scoped University of Delhi example
The University of Delhi’s [2026–27 admission FAQ](https://admission.uod.ac.in/userfiles/downloads/2026/20012026_FAQsUG%202026-final.pdf) gives a useful example of how subject matching works for a named programme. It states that applicants should choose CUET (UG) papers in subjects they have studied and passed in Class XII. For the B.Sc. (Hons.) Physics example in the FAQ, the University says a candidate who did not study Mathematics in Class XII cannot compensate by appearing in the Mathematics CUET paper. More generally, when a programme requires a subject, the candidate must have passed it at school and take the corresponding CUET subject. DU also states that programme-specific combinations and eligibility are in its UG Bulletin, and that university rules differ from one institution to another. These instructions are for DU’s 2026–27 cycle and do not establish a nationwide CUET or Mathematics rule for every B.Sc. Physics course.
Applicants should therefore check four separate items: the qualifying school certificate, the required Class XII subjects, the minimum aggregate or subject marks, and the admission score or selection route. An eligibility notice may use overall marks or a subject-specific threshold, include category-based relaxation, or define an equivalent subject combination. The entrance test can require papers different from the shorthand “Physics, Chemistry, Maths” often used in informal advice. A course may also require the candidate to complete all subjects in one recognised Class XII board certificate or submit equivalence papers for an international qualification.
Minimum marks and category rules
There is no safe single percentage threshold to quote for the catalogue’s broad course family. Colleges and universities can set different minimum marks, and the same institution can apply separate rules by programme, category, campus or admission year. A minimum to apply may also differ from the score at which a seat is eventually offered. Do not treat last year’s closing score, a counselling round or a popular college’s demand as the basic eligibility requirement for every applicant. Read both the minimum qualification and the current selection formula.
The official notice should make clear whether category rules apply to minimum eligibility, seat allocation, reservation or all three. Check whether an applicant must provide a valid certificate in a specified format and as of a stated date. If a candidate’s board uses grades rather than percentages, look for the institution’s conversion rule rather than converting independently. International and open-school applicants should check recognition and subject-equivalence rules, including how laboratory components are treated. When two official pages conflict, contact the admissions office in writing and preserve the response.
Mathematics readiness and learning support
Even where Mathematics is not an explicit eligibility condition, success in university physics requires comfort with quantitative reasoning. Students work with units, graphs, vectors, trigonometric relationships, functions, rates of change, integration and later more advanced mathematical methods. A programme may teach some foundations within its first-year curriculum, but applicants should inspect the course map and bridge support rather than assume all gaps will be covered. Reviewing algebra, rearranging equations, coordinate geometry and calculus before term begins can reduce the shock of the transition from school to university.
Practical preparation matters too. Physics laboratory courses ask students to read instruments, keep a record of observations, calculate uncertainty and write clearly about the method. Students who have had less access to a school laboratory can ask the college how introductory experiments are taught, whether equipment is available to each student or group, and what safety induction is provided. The qualification rules should be applied fairly to all candidates; individual support and disability accommodations are separate questions to raise with the institution’s accessibility or student-support office.
A careful eligibility check before applying
Save the official current-year bulletin and confirm the programme title, campus, subject group and all compulsory Class XII papers. Check whether the test is CUET or another exam, which test papers the programme accepts, whether Class XII marks are used for eligibility or merit, and the application steps that follow. For DU in 2026–27, the FAQ describes CUET followed by programme and college preferences through CSAS; that is not a substitute for reading the bulletin’s precise B.Sc. Physics combination. Other universities may use their own portals or selection methods.
If you are short of a subject, marks, certificate or documentation requirement, do not rely on a general claim that “science students are eligible.” Ask the admissions office whether an officially recognised equivalent subject is accepted and what documents prove it. A late clarification can matter when registrations or preference windows close. Also check whether the specific route is regular, distance or open learning, because the offered award and course access may differ. Keep a copy of the notice for your intake: rules often change between cohorts, and an old eligibility page may remain searchable after it stops applying.