Yes, mirrors can reflect radio waves, just like they reflect visible light. Mirrors are reflective surfaces that bounce electromagnetic waves, including radio waves, back in the direction they came from. The ability of a material to reflect radio waves depends on its electrical conductivity and its interaction with the frequency of the radio waves.
However, it's important to note that not all materials that can reflect visible light will necessarily reflect radio waves effectively. Some materials that reflect visible light well may not be as efficient in reflecting radio waves. Conversely, some materials that are good at reflecting radio waves may not necessarily work well as visible light mirrors.
In practice, metallic surfaces, such as aluminum or copper, are commonly used as mirrors for radio waves because of their excellent conductivity and ability to reflect electromagnetic waves across a wide range of frequencies, including radio frequencies. These mirrors are used in various applications, including radar systems, radio communication, and satellite antennas.