Question:
The U S Army s loudest loudspeaker is almost 17m across and
Last updated: 5/9/2023
![The U S Army s loudest loudspeaker is almost 17m across and](https://media.kunduz.com/media/sug-question-candidate/20220515193437308092-4424297.jpg?h=512)
The U S Army s loudest loudspeaker is almost 17m across and is transported on a special trailer The sound is produced by an electromagnetic coil that can generate a minimum frequency of 10Hz what is the wavelength of these electromagnetic waves Select one a 3x105 km O b 3x107 m O c 3x104 m O d 3x107 km