Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Communication Systems - Modern Physics - Physics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Communication Systems. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| VITEEE 2023 | 2023 | 2 | View paper |
| VITEEE 2022 | 2022 | 1 | View paper |
| VITEEE 2021 | 2021 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
The demodulator or detector circuit consists of a
A TV tower has a height of \(75 \mathrm{~m}\). What is the maximum distance upto which this TV transmission can be received? (Take, radius of the earth \(=6.4 \times 10^6 \mathrm{~m}\))
A transmitting antenna is kept on the surface of the Earth. The minimum height of receiving antenna required to receive the signal in line of sight at \(4 \mathrm{~km}\) distance from it is \(x \times 10^{-2} \mathrm{~m}\). The value of \(x\) is
What is the voltage gain in a common emitter amplifier, where input resistance is \(6 \Omega\) and load resistance \(48 \Omega, \beta=0.3\) ?