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Communication Systems Questions

Practice 7 Communication Systems questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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7
Total Questions
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1
Easy
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6
Medium
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Hard
Practice by Exam:Physics(7)

About communication systems โ€” practice questions, PYQs & concepts

communication systems is a frequently-tested topic on Physics. ExamTest.live currently lists 7 communication systems questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

communication systems weight in competitive exams

Across our communication systems question bank, the largest sources are Physics (7). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy communication systems questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Communication Systems Questions(1โ€“7 of 7)

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Q1easymcqPhysicsAIEEE 20032026
Consider telecommunication through optical fibres. Which of the following statements is not true?
Q2mediummcqPhysicsFIITJEE AIEEE 2011 (Set Q)2026
This question has Statement โ€“ 1 and Statement โ€“ 2. Of the four choices given after the statements, choose the one that best describes the two statements.Statement-1 : Sky wave signals are used for long distance radio communication. These signals are in general, less stable than ground wave signals.Statement-2 : The state of ionosphere varies from hour to hour, day to day and season to season.
Q3mediummcqPhysicsAIEEE 20122026
A radar has a power of and is operating at a frequency of . It is located on a mountain top of height . The maximum distance upto which it can detect object located on the surface of the earth (Radius of earth ) is:
Q4mediummcqPhysicsJEE Main2026
A diode detector is used to detect an amplitude modulated wave of modulation by using a condenser of capacity in parallel with a load resistance . Find the maximum modulated frequency which could be detected by it.
Q5mediummcqPhysicsPhysics
For skywave propagation of a signal, what should be the minimum electron density in the ionosphere?
Q6mediummcqPhysicsPhysics
Assertion: A diode lasers are used as optical sources in optical communication.Reason: Diode lasers consume less energy.
Q7mediummcqPhysicsPhysics
Assertion: Television signals are received through sky-wave propagation.Reason: The ionosphere reflects electromagnetic waves of frequencies greater than a certain critical frequency.

Frequently Asked Questions

How many Communication Systems questions are on ExamTest.live?โ–ผ
We have 7 Communication Systems questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Communication Systems MCQs free?โ–ผ
Yes. All Communication Systems questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Communication Systems questions?โ–ผ
Communication Systems questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Communication Systems questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.