-- card: 79745 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 2707
-- name: #338
----- HyperTalk script -----
on openCard
  global group,rightone
  put 28 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #28

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2I-1.5 How is the approximate length (in feet) of a half-wave dipole antenna calculated?

By substituting the desired operating frequency for "f" in the formula:

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150 / f (MHz)

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234 / f (MHz)

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300 / f (MHz)

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468 / f (MHz)

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Correct answer is D