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An antenna is mounted on a 400 m tall building. What will be the wavelength of signal of signal that can be radiated effectively

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An antenna is mounted on a 400 m tall building. What will be the wavelength of signal of signal that can be radiated effectively by the transmission tower upto a range of 44 km?

(1) 37.8 m

(2) 605 m

(3) 75.6 m

(4) 302 m

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1 Answer

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by (38.6k points)

Correct Option is (2) 605 m

h : height of antenna

λ : wavelength of signal

h < λ

λ > h

λ > 400 m

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