Saved Bookmarks
| 1. |
An electromagnetic wave `Y_1`, has a wavelength 1 cm while other electromagnetic wave `Y_2` has a frequency of `10^15Hz`. Name these two types of waves and write one useful application for each. |
|
Answer» `Y_1` is microwave, use in radar communication. `Y_2`: ultraviolet, ioize atom in atomsphere, |
|