12.2 quiz

1. An electromagnetic wave is caused by a disturbance in

A) a material medium
B) heat
C) the atmosphere
D) a field

2. Which of the following produce(s) the most EM waves on Earth?

A) artificial lights
B) a vacuum
C) the energy of distant stars
D) the high energy of the Sun

3. Radiation is the

A) motion of a medium caused by EM waves
B) conversion of EM waves into kinetic energy
C) speed of EM waves in a vacuum
D) energy that moves as EM waves

4. In a vacuum, the speed of EM waves

A) always remains constant
B) depends on the source of the waves
C) decreases as the waves spread out
D) increases as the amount of energy increases

5. When microwaves encounter water, they

A) are refracted
B) convert electromagnetic energy into heat
C) are reflected in many directions
D) pass through the water without interacting with it

6. EM waves from this part of the spectrum are used in radar and cell phones.

A) microwaves
B) ultraviolet light
C) radio waves
D) x-rays

7. These EM waves have the highest energy.

A) ultraviolet light
B) x-rays
C) radio waves
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) microwaves
C) ultraviolet light
D) infrared light

10. The smallest part of the EM spectrum is made up of this type of wave.

A) radio waves
B) visible light
C) microwaves
D) ultraviolet light

11. Waves from the Sun in this part of the EM spectrum can burn your skin.

A) x-rays
B) microwaves
C) ultraviolet light
D) radio waves

12. These EM waves pass through soft tissue but are absorbed by bone.

A) x-rays
B) radio waves
C) microwaves
D) ultraviolet light

Les étudiants ayant complété ce test ont aussi complété :

All About Soil
Physsci7: sound reading questions
Plate tectonics quiz

Créé avec That Quiz — le site de création de tests de math avec des ressources pour d'autres matières.