📝 Unguided media: Radio Waves

Q1. What frequency range defines radio waves in the electromagnetic spectrum?

💡 Difficulty: easy | ✅ Correct: A

Q2. If the wavelength of a radio wave is doubled while propagation speed remains constant, how does its frequency change?

💡 Difficulty: medium | ✅ Correct: C

Q3. When choosing between fiber‑optic cable and a 2.4 GHz radio link for a campus network, which statement is most accurate?

💡 Difficulty: hard | ✅ Correct: A