Verified Solution • 2025–26 Session moderate

QJEEM21Phbe63: JEE Main 2021 Physics - Class 12 JEEM21Phbe63 Solution: A 25 m long antenna is mounted on an antenna tower. The height…

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 :

Multiple Choice Options

  • A 200
  • B 400
  • C 100
  • D 300

Step-by-Step Verified Solution

Given that, height of peak of antenna : H = 25 m.

As, we know that

λ = 4H

∴ λ = 4 × 25

⇒ λ = 100 m

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