Multiple choice

What Kind of Waves do iPhones Use?

  1. Cell Waves

  2. X-rays

  3. Microwaves

  4. Radiowaves
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

iPhones use radio waves in the microwave frequency range for cellular communication. While these are technically radio waves, they occupy the microwave portion of the electromagnetic spectrum (around 1-6 GHz). Option C is more specific and technically accurate for cellular bands.

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