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A 25 m long, antenna is mounted on an antenna tower. The height of the antenna tower is 75 m.

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A 25 m long, antenna is mounted on an antenna tower. The height of the antenna tower is 75 m. The wavelength (in meter) of the signal transmitted by the antenna would be :

(1) 300  (2) 400 (3) 100 (4) 200

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The correct answer is option 3) 100 m 

Explanation:

height of antenna=\(\lambda\over 4\) 

25=\(\lambda\over 4\) 

\(\lambda=100\)

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