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JEE PYQ: Communication System Question 1

Question 1 - 2021 (16 Mar 2021 Shift 1)

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 this antenna would be:

(1) 300

(2) 400

(3) 200

(4) 100

Show Answer

Answer: (4)

Solution

Length of Antenna $= 25$ m $= \frac{\lambda}{4}$, so $\lambda = 100$ m.


Learning Progress: Step 1 of 33 in this series