Read and download the CBSE Class 12 Physics Communication and Emw Assignment for the 2025-26 academic session. We have provided comprehensive Class 12 Physics school assignments that have important solved questions and answers for Chapter 15 Communication Systems. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.
Solved Assignment for Class 12 Physics Chapter 15 Communication Systems
Practicing these Class 12 Physics problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Chapter 15 Communication Systems, covering both basic and advanced level questions to help you get more marks in exams.
Chapter 15 Communication Systems Class 12 Solved Questions and Answers
Q1.Distinguish point to point and broadcast communication modes.Give one example of each.
Q2.Write the name of the part of electromagnetic spectram which is used in taking photograph of earth under foggy conditions from great height?
Q3.Find the min. length of antenna required for transmitting a signal of frequency 100MHZ
Q4.Amplitude of electric field in an electromagnetic wave is120N/C and its frequency is 50MHz.Find expression for E and B.
Q5.During the charging of capacitor write the relation between displacement current and conduction current.
Q6.Why(a)audio signals converted in to an electromagnetic wave are not directely transmitted?(b)amplitude of a modulating signal is kept less than amplitude of carrier wave?
Q7.Draw a plot of variation amplitude vs ω for an amplitude modulated wave.
.Define modulation index. State its importance for effective amplitude modulation.
Q8.Draw block diagram of simple radio receiver. Briefly describe the function of intermediate frequency stage.
Q9.Write how we can produce radiowaves? Write its frequency .Write its one use.
Q10.Explain why we use space wave in tv transmission .write how we can increase the range of tv transmission?
Q11.A 12KHZ massage signal with peak voltage 20v is used to modulate a carrier wave of frequency 12Mhz and peak voltage 30V.Calculate (i) modulation index (ii) side band frequencies.
Q12.Draw schematic diagram showing the (i)ground wave(ii)sky wave (iii)space wave.write the frequency range for(i)AM broadcast(ii)television(iii)satellite
Q13.A parallel plate capacitor is being charged by a time varying current. Explain briefly how Amperes circuital law is generalized to incorporate the effect due to the displacement current.
Q14.(i) why is the communication using line of sight limited to frequencies above 40 MHZ?
(II) Height of transmitting and receiving antennas are32m and 50m.what is the maximumdistance between them for satisfactory communication in line of side mode?
Q15.A transmitting station is situated at a height of 450m.Write the method of communicatingthe frequencies(a)5Mhz(b)100Mhz up to a distance of 100km.Nmax =1012m-3.
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Important Practice Resources for Class 12 Physics
CBSE Class 12 Physics Chapter 15 Communication Systems Assignment
Access the latest Chapter 15 Communication Systems assignments designed as per the current CBSE syllabus for Class 12. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Chapter 15 Communication Systems. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.
Benefits of solving Assignments for Chapter 15 Communication Systems
Practicing these Class 12 Physics assignments has many advantages for you:
- Better Exam Scores: Regular practice will help you to understand Chapter 15 Communication Systems properly and you will be able to answer exam questions correctly.
- Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
- Huge Variety of Questions: These Chapter 15 Communication Systems sets include Case Studies, objective questions, and various descriptive problems with answers.
- Time Management: Solving these Chapter 15 Communication Systems test papers daily will improve your speed and accuracy.
How to solve Physics Chapter 15 Communication Systems Assignments effectively?
- Read the Chapter First: Start with the NCERT book for Class 12 Physics before attempting the assignment.
- Self-Assessment: Try solving the Chapter 15 Communication Systems questions by yourself and then check the solutions provided by us.
- Use Supporting Material: Refer to our Revision Notes and Class 12 worksheets if you get stuck on any topic.
- Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.
Best Practices for Class 12 Physics Preparation
For the best results, solve one assignment for Chapter 15 Communication Systems on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.
You can download free PDF assignments for Class 12 Physics Chapter Chapter 15 Communication Systems from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.
Yes, our teachers have given solutions for all questions in the Class 12 Physics Chapter Chapter 15 Communication Systems assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.
Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Chapter 15 Communication Systems.
Practicing topicw wise assignments will help Class 12 students understand every sub-topic of Chapter Chapter 15 Communication Systems. Daily practice will improve speed, accuracy and answering competency-based questions.
Yes, all printable assignments for Class 12 Physics Chapter Chapter 15 Communication Systems are available for free download in mobile-friendly PDF format.