Logg på
Physics for IGCSE & O level - Rays And Waves (Section 5 - No. 9)
Which part of the electromagnetic spectrum is used for remote controls?
Infrared
Ultraviolet
X-rays
Microwaves
Forklaring
Infrared is used for remote controls.
Kommentarer (0)
Logg inn for å kommentere
Annonse
Tillat at javascript laster denne siden ordentlig