# BSF Head Constable (Radio Mechanic) 2026 Practice Set 1

> Free BSF Head Constable (Radio Mechanic) 2026 Practice Set 1: 100 questions with answers and explanations. Instant score and weak topics. No sign-up.

Source: https://careerdecode.in/mock-tests/bsf-head-constable-radio-mechanic-2026/practice-set-1/

- Exam: [BSF Head Constable (Radio Mechanic) 2026](https://careerdecode.in/mock-tests/bsf-head-constable-radio-mechanic-2026/)
- Type: Subject test
- Questions: 100 in 5 subjects
- Access: free. No sign-up, no ads, no time limit. Can be taken again as often as you like.
- PDF: available, to solve offline.
- Marking: Each correct answer gives 1 mark. Each wrong answer takes away 0.25.

## What this test covers

- Physics (40 questions): Nuclear and Particle Physics, Thermodynamics, Classical Mechanics, Electromagnetism, Relativity, Mathematical and Experimental Methods, Atomic and Molecular Physics, Electronics, Condensed Matter Physics
- Mathematics (20 questions): Complex Numbers and Quadratic Equations, Probability and Binomial Theorem, Limits and Continuity, Permutations and Combinations, Vector Algebra, Matrices and Determinants, Differentiation and Integration, Trigonometry, Statistics, Sets and Set Theory, Sequences and Series, Straight Lines and Circles
- Chemistry (20 questions): Thermodynamics and Structure of Atom, Hydrocarbons, Alcohols, and Haloalkanes, D, P, F, and S Block Elements, Environmental Chemistry and Chemistry in Everyday Life, General and Organic Chemistry, Solutions and Redox Reactions, Isolation Processes of Elements, Coordination Compounds, Chemical Bonding and Molecular Structure, Solid State and Chemical Kinetics, Periodicity and Properties of Elements
- English (10 questions): Sentence Arrangement and Transformation, Spotting Errors and Sentence Completion, Fill in the Blanks, Idioms, Synonyms, and Antonyms, Active and Passive Voice
- General Knowledge (10 questions): Indian History, Geography, Economy, and Polity, Books and Authors, Awards, Inventors, and Discoveries, National Independence Movement, Current Affairs: Defense, Geo-political, National, and International, Capitals, Currencies, Culture, Arts, and Monuments

The questions are shown in the test player on the web page. After submitting, the visitor sees the score, the right answer with an explanation for every question, and the weak topics.

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