Q30.The physical sizes of the transmitter and receiver antenna in a communication system are: (1) proportional to carrier frequency (2) independent of both carrier and modulation frequency (3) inversely proportional to modulation frequency (4) inversely proportional to carrier frequency
What This Question Tests
This question assesses the fundamental knowledge of communication systems, specifically the relationship between the physical size of an antenna and the carrier wavelength or frequency of the electromagnetic wave.
Concepts Tested
Formulas Used
L ≈ λ/4
c = fλ
📚 NCERT Sections This Tests
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📋 Question Details
- Chapter
- Communication Systems
- Topic
- Antenna length
- Year
- 2019
- Shift
- 09 Apr Shift 2
- Q Number
- Q30
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 15: Communication Systems
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