Question:
An antenna is mounted on a $400 \mathrm{~m}$ tall building. What will be the wavelength of signal of signal that can be radiated effectively by the transmission tower upto a range of $44 \mathrm{~km}$ ?
Correct Option: , 2
Solution:
$\mathrm{h}$ : height of antenna
$\lambda$ : wavelength of signal
$\mathrm{h}<\lambda$
$\lambda>\mathrm{h}$
$\lambda>400 \mathrm{~m}$
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