12.2 quiz
  • 1. An electromagnetic wave is caused by a disturbance in
A) a material medium
B) a field
C) the atmosphere
D) heat
  • 2. Which of the following produce(s) the most EM waves on Earth?
A) the high energy of the Sun
B) artificial lights
C) a vacuum
D) the energy of distant stars
  • 3. Radiation is the
A) motion of a medium caused by EM waves
B) energy that moves as EM waves
C) conversion of EM waves into kinetic energy
D) speed of EM waves in a vacuum
  • 4. In a vacuum, the speed of EM waves
A) always remains constant
B) decreases as the waves spread out
C) increases as the amount of energy increases
D) depends on the source of the waves
  • 5. When microwaves encounter water, they
A) pass through the water without interacting with it
B) convert electromagnetic energy into heat
C) are reflected in many directions
D) are refracted
  • 6. EM waves from this part of the spectrum are used in radar and cell phones.
A) microwaves
B) ultraviolet light
C) x-rays
D) radio waves
  • 7. These EM waves have the highest energy.
A) radio waves
B) ultraviolet light
C) x-rays
D) gamma rays
  • 8. EM waves with frequencies of 1012 Hz or less are considered this type of wave.
A) microwaves
B) x-rays
C) radio waves
D) ultraviolet light
  • 9. This type of EM wave is frequently associated with heat.
A) radio waves
B) infrared light
C) ultraviolet light
D) microwaves
  • 10. The smallest part of the EM spectrum is made up of this type of wave.
A) visible light
B) ultraviolet light
C) microwaves
D) radio waves
  • 11. Waves from the Sun in this part of the EM spectrum can burn your skin.
A) ultraviolet light
B) radio waves
C) microwaves
D) x-rays
  • 12. These EM waves pass through soft tissue but are absorbed by bone.
A) x-rays
B) ultraviolet light
C) microwaves
D) radio waves
Studenten, die diese Prüfung ablegten, nahmen auch :

Erstellt mit ThatQuiz — die Website zur Erstellung von Mathematikprüfungen mit Ressourcen für andere Fachbereiche.