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Question 20315
JEE Physics · Medium

Principles of Communication: Frequency Bands MCQ

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Frequency BandsMediumQuestion 20315

Question

The frequency band used for radar and microwave ovens (2.45 GHz) is:
  1. A
    HF
  2. B
    VHF
  3. C
    UHF
  4. D
    SHF (microwave)
    Correct

Correct answer

SHF (microwave)

Explanation

SHF: 3–30 GHz. Microwave ovens use 2.45 GHz (same ISM band as Wi-Fi 2.4 GHz). Radar uses various bands: X-band (10 GHz for weather), Ku-band (police radar), Ka-band (speed guns). All are SHF/EHF microwaves.

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