KCET Communication Systems Weightage 2026 is expected to be around 3% of the Physics Section. Test takers can expect around 2-3 questions from this topic in the exam. Check the weightage of Communication Systems here, along with important topics and sample questions.
KCET 2026 Communication Systems Weightage: It is expected that the Communication Systems chapter will carry around 3 per cent of the overall Physics section weightage. Aspirants preparing to appear for the KCET 2026 examination can expect nearly 2-3 questions from this chapter. The Communication Systems syllabus covers topics such as propagation of electromagnetic waves, free space and optical fibres, transmission bandwidth for coaxial cable, range, amplification, attenuation, receiver, transmitter, noise, signal, transducer, and block diagram of a generalised communication system. A thorough reading and revision of this chapter is essential to secure 2-3 marks from this unit in the exam.
According to the official schedule, the KCET 2026 exam is expected to be held in April 2026. Candidates can go through the KCET 2026 Syllabus and prepare well for the examination.
Read Also:
| KCET Previous Year Question Papers | Last 30 Days Preparation Strategy for KCET 2026 |
|---|
Expected KCET 2026 Communication Systems Weightage
Refer to the table below to know the communication systems' weightage for the KCET 2026 exam .
Chapter | Number of Questions | Weightage |
|---|---|---|
Communication systems | 2-3 questions | 3% |
Also Check - KCET Subject Wise Syllabus 2026
KCET 2026 Communication Systems Topics & Expected Questions
Here are the topics that are included in the chapter and the number of questions that will be asked from this chapter in KCET 2026.
Chapter | Topics included in the chapter | Expected Questions |
|---|---|---|
Communication systems |
| 2-3 questions |
Best Books for KCET 2026
The best books for KCET 2026 preparation has been provided below.
1. Pradeep’s Fundamental Physics for class 11 & 12, By KL Gomber, KL Gogia
2. NCERT Class 11 and 12 Textbooks
3. Physics for Karnataka COMEDK & CET, By Thomson Press India Ltd
4. Physics 1st year PUC, By AS Govind
KCET 2026 Communication Systems Sample Questions
Check the sample questions and get an idea about the kind of questions that will be asked from this chapter in the KCET 2026 exam.
1. A super heterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is —-------------?
- 750 kHz
- 900 kHz
- 1650 kHz
- 2100 kHz
Correct Answer: D
2. A broadcast radio transmitter reduces 10 kW, when the AM modulation percentage is 60. How much is the carrier power?
- 6 kW
- 8.47 kW
- 4 kW
- None of the above
Correct Answer: B
3. Is a hamming code for transmitting a data of 7 bit, how many parity bits are used?
- One
- Two
- Three
- Four
Correct Answer: D
4. On which principle does the optical fibre work?
- Scattering of light
- Total internal absorption
- Total internal reflection
- Optical rotation
Correct Answer: C
Preparation Tips for KCET Communication Systems 2026
Check the preparation tips for the KCET 2026 exam here on this page.
1. Do not get stuck in the complex concepts; instead, take help from the good reference books and have clarity of these concepts. If you are able to understand them instead of just grabbing them, it would be better for you.2. Take up the complex concepts first, and then take up the less complex concepts. Complete the difficult concepts first and make notes for them for the end revisions.
3. Look for the KCET previous year papers and check out the communication systems questions from the question paper. You can solve the entire paper as an effective practice if you can just take up the questions from this chapter, if other chapters are not prepared. This will help evaluate the performance for the exam.
4. Do not consider the chapters with less weightage unimportant and skip them. Each chapter included in the KCET 2026 exam is important for the applicants to score well. So it is important to study all the chapters properly.
5. Make notes so that it is easy for you to revise all the chapters and concepts easily as the exam approaches.
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FAQs
The cutoff of KCET refers to the minimum marks required by candidates to qualify for the KCET exam. KEA KCET cutoff is released separately for the general merit and Hyderabad Karnataka region. The exam authority releases the KCET cutoff after each counselling round.
It is not mandatory to attempt the Biology paper in the KCET exam if you want to opt for Engineering. Biology marks are only considered for the Medical, Dental and Paramedical fields. However, if you want to pursue Biotechnology in Engineering, attempting Biology in the KCET exam is compulsory.
50% mark is the passing percentage for the general category candidates and 40% for the SC/ST/OBC category for the KCET exam.
As per the previous year exam analysis, the KCET 2025 exam might be of a moderate to difficult level. KCET questions will be based on the first and second-year PUC syllabus as determined by the Department of Pre-University Education of Karnataka State.
Candidates cannot skip Mathematics in the KCET exam. Mathematics is a mandatory subject in the KCET exam, and skipping it would disqualify candidates from the KCET examination.
Candidates looking to score good marks in the Karnataka CET exam are advised to solve the KCET previous year question papers and mock tests. Solving PYQs of KCET will enable candidates to get an idea about the KCET question paper pattern and the marking scheme.
NCERT best books are a good choice for candidates to start if they want to prepare for the KCET 2025 exam. Upon finishing the NCERT books, candidates can move ahead to the crucial KCET best books. Additionally, the KCET best books are another resource that candidates can use to study for the KCET exam.
The identical chapters and subjects from Classes 11 and 12 are covered by the questions in both KCET and JEE Main exams. However, in comparison to KCET, the questions in the JEE Main exam are more difficult.
In KCET Physics, chapters such as Gravitation, Motion in a Straight Line, Oscillations, and Thermodynamics each contribute approximately 7% to 8% of the exam paper.
Chapters with maximum weightage in KCET Physics are Gravitation, Motion in a Straight Line, Oscillations and Thermodynamics since they carry 7% to 8% weightage. Important chapters for KCET Maths comprise Integration, Vectors, Permutation and Combination, and 3-D Geometry which weigh around 6% to 7% in the KCET exam.
No, skipping any of the chapters is not a smart way to prepare for the exam, it is crucial to cover all the chapters in the syllabus. Begin with the preparation for the exam on time and complete all the chapters.
No, the chapter communication systems is included in the class 12 physics syllabus.
Yes, this chapter has numerical problems too which should be practiced by the applicants.
It is imperative that the aspirants study all the chapters whether important or not, this can only help them fetch a good score in the exam.
The weightage of communication systems in KCET 2026 is 3, applicants can expect around 2-3 questions from this chapter.
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