Radio Waves
 

Radio Waves problem 10


Infra-red waves, microwaves, radio waves and sound waves are all used for communications. Which waves travel at the same high speed in a vacuum?


  • infrared waves, microwaves and radio waves

  • infrared waves, microwaves and sound waves

  • infrared waves, radio waves and sound waves

  • microwaves, radio waves and sound waves


 

main author and content editor: Noble Menedi Firima