Physics · Antennas and Wave Propagation

The actual gain of a parabolic antenna of diameter D = 10 m can be approximated by G = 2π(D/λ) 2 . What is the effective aperture area of the antenna?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

125 m 2
250 m 2✓
375 m 2
4100 m 2

Correct answer

50 m 2

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The actual gain of a parabolic antenna of diameter D = 10 m can be approximated by G = 2π(D/λ) 2 . What is the effective aperture area of the antenna?

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The actual gain of a parabolic antenna of diameter D = 10 m can be approximated by G = 2&pi;(D/&lambda;) 2 . What is the effective aperture area of the antenna?

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The actual gain of a parabolic antenna of diameter D = 10 m can be approximated by G = 2π(D/λ) 2 . What is the effective aperture area of the antenna?