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Claim Free Beta AccessThe NDA Physics formula sheet cheat sheet PDF is an essential tool for rapid revision and last-minute concept reinforcement. By consolidating core principles from Mechanics, Optics, and Electromagnetism, students can drastically improve calculation speed. Download our high-yield cheat sheet to master critical derivations and formulas required for the 2026 exam.
What is the Exam?
The National Defence Academy (NDA) examination is a premier competitive exam conducted by the Union Public Service Commission (UPSC) in India. It serves as the gateway for young candidates to join the Indian Army, Indian Navy, and Indian Air Force. Successful candidates undergo rigorous training at the NDA in Khadakwasla, Pune, before proceeding to their respective service academies. Physics is a critical component of the General Ability Test (GAT) paper, accounting for a significant portion of the total marks.
Key Highlights 2026
- Exam Mode: Offline (Pen and Paper).
- Language: Bilingual (English and Hindi).
- Total Marks: 900 (GAT = 600, Mathematics = 300).
- Negative Marking: 0.83 marks deducted for every incorrect answer.
- Authority: Union Public Service Commission (UPSC).
Syllabus 2026
Physics in the NDA GAT syllabus covers fundamental concepts spanning from elementary mechanics to modern nuclear physics. We at Exam Bhai have broken down the syllabus into these core units:
| Unit | Key Topics |
|---|---|
| Mechanics | Units & Dimensions, Motion in 1D/2D, Newton's Laws, Work, Energy, Power, Gravitation |
| Properties of Matter | Elasticity, Viscosity, Surface Tension, Heat, Thermodynamics |
| Optics | Reflection, Refraction, Lenses, Mirrors, Human Eye, Dispersion |
| Electricity & Magnetism | Ohm's Law, Circuits, Magnetic Effects of Current, EMI, Electrostatics |
| Modern Physics | Atomic Structure, Radioactivity, Semi-conductors, X-rays |
Exam Pattern
The GAT paper is divided into two sections: Part A (English) and Part B (General Knowledge). Physics forms the foundation of the science section within Part B.
| Section | Subject | Questions | Marks |
|---|---|---|---|
| Part A | English | 50 | 200 |
| Part B | Physics/Chem/Bio/History/Geo/Current Affairs | 100 | 400 |
To master this, students should practice free mock tests for Defence on Exam Bhai to simulate the actual pressure of the GAT examination environment.
Eligibility Criteria
According to the official guidelines published on upsc.gov.in, the eligibility criteria are as follows:
- Age: 16.5 to 19.5 years at the time of commencement of the course.
- Education: 12th pass (10+2 pattern) with Physics and Mathematics for Air Force and Navy; 12th pass for Army wing (any stream).
- Citizenship: Indian citizen or subject of Nepal/Bhutan.
- Marital Status: Unmarried candidates only.
Application Process
The UPSC releases the notification on its official website. The process involves:
- Visiting the official portal at upsc.gov.in.
- Registering via the One-Time Registration (OTR) platform.
- Filling in the application form with personal and educational details.
- Payment of the requisite application fee.
- Selecting the exam center and submitting the final application.
Preparation Strategy
Success in NDA Physics requires a blend of conceptual clarity and speed. We at Exam Bhai recommend the following:
- Concept First: Focus on the 'Why' behind every formula. Understand the variables in equations like F = ma or E = mc squared.
- Use the Cheat Sheet: Review our NDA Physics formula sheet daily during your last month of preparation to ensure high recall of constants and dimensions.
- Practice Regularly: You should solve previous year question papers for Defence on Exam Bhai to identify repetitive patterns in question formulation.
- Application-based Learning: Don't just memorize. If you are learning about mirrors, look around and observe reflection patterns.
- Time Management: When you take specialized topic quizzes for Defence on Exam Bhai, track your speed per question.
Cut-Off Trends
Cut-offs are determined by the UPSC based on difficulty levels and vacancy numbers. Historically, the aggregate cut-off for the written exam typically ranges between 350 to 370 out of 900. Detailed breakdowns can be verified annually at upsc.gov.in. Remember that a minimum qualifying standard (usually 25% to 30%) is required in each subject individually, so neglecting Physics is not an option.
Frequently Asked Questions
Q1: Is the NDA Physics syllabus equivalent to 10+2 level? Yes, the syllabus is primarily based on the 10+2 level curriculum (CBSE/State Boards). However, the application of these concepts is more analytical than rote-learning.
Q2: How many questions are asked from Physics in the GAT paper? Generally, 20 to 25 questions are directly related to Physics in the GAT paper, making it a high-weightage section.
Q3: Is the NDA Physics formula sheet cheat sheet PDF enough to pass? A cheat sheet is for revision. You must combine it with conceptual understanding and practice to ensure you can apply these formulas under exam conditions.
Q4: Does the UPSC change the syllabus every year? No, the core syllabus remains stable. Any minor updates are notified by the UPSC on their official portal prior to the release of the exam notification.
Q5: Which topics are the most important for Physics? Mechanics and Optics usually carry the highest weightage. However, Electricity and Magnetism have shown an increasing trend in recent years.
Q6: Can I use a calculator in the NDA exam? No, calculators, slide rules, and any other electronic gadgets are strictly prohibited inside the examination hall.
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