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← Bihar Board Class 12 PYQ
Communication Systems
Bihar Board Class 12 · Physics · 17 past questions
Topic
Modulation
1
TV transmission and range
1
Basics of communication systems
0
Internet and data services
0
Propagation of electromagnetic waves
0
Satellite and optical fibre communication
0
Level
Easy
1
Moderate
1
Year
2026
3
2025
2
2024
3
2023
2
2021
2
2019
2
2018
1
2017
2
2 of 17 ·
show all
Q13
2019
The modulation index in amplitude modulation
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Q14
2019
The height of TV tower at a certain place is 245m.The maximum distance up to which its programme can be…
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