An antenna is mounted


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 $44 \mathrm{~km}$ ?

  1. $37.8 \mathrm{~m}$

  2. $605 \mathrm{~m}$

  3. $75.6 \mathrm{~m}$

  4. $302 \mathrm{~m}$

Correct Option: , 2


$\mathrm{h}$ : height of antenna

$\lambda$ : wavelength of signal



$\lambda>400 \mathrm{~m}$

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