Internet Activity

The Electromagnetic Spectrum Answers

  1. Which type of wave has the longest wavelength?
    Radio waves have the longest wavelength.

  2. Which type of wave has the shortest wavelength?
    Gamma rays have the shortest wavelength.

  3. What kind of waves provide the energy to make your morning toast??
    Infrared waves

  4. Which type of wave has a wavelength approximately the size of a bullfrog?
    Microwaves from a microwave oven.

  5. What type of waves does a cellular telephone use?
    Microwaves

  6. Name a use for gamma rays.
    Gamma rays are used in hospitals to diagnose and treat cancer. They penetrate the body to destroy a tumor without harming surrounding areas.