In vacuum, infrared radiations travel in straight lines like light, at a speed of \(3\times {{10}^{8}}\) m/s.
(b) They follow the reflection and refraction laws.
(c) Electric and magnetic fields have no effect on them.
In vacuum, infrared radiations travel in straight lines like light, at a speed of \(3\times {{10}^{8}}\) m/s.
(b) They follow the reflection and refraction laws.
(c) Electric and magnetic fields have no effect on them.