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Mr. Dubey • 100.64K Points
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Q. Lens antennas are classified into two types. One being fast antenna, the other one is:

  • (A) slow antenna
  • (B) delay antenna
  • (C) dynamic antenna
  • (D) none of the mentioned
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Explanation by: Mr. Dubey
in delay lenses, the electrical path length is increased or the wave is retarded by the lens medium. dielectric lenses and h-plane metal lenses fall in this category.

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