Multiple choice general knowledge

what is "Schumann Cavity Resonance" related to??

  1. heart beat of universe

  2. Frequency of earth

  3. Black Holes

  4. Pendulams

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Schumann resonance refers to the extremely low frequency electromagnetic resonances in Earth's atmosphere, primarily at 7.83 Hz. These are global electromagnetic resonances generated by lightning activity in the cavity between Earth's surface and the ionosphere.