12.2 quiz

Hauen laguntzarekin: Howard

1. An electromagnetic wave is caused by a disturbance in

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

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

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

3. Radiation is the

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

4. In a vacuum, the speed of EM waves

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

5. When microwaves encounter water, they

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

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

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

7. These EM waves have the highest energy.

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

8. EM waves with frequencies of 1012 Hz or less are considered this type of wave.

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

9. This type of EM wave is frequently associated with heat.

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

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

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

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

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

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

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

Intereseko beste azterketa batzuk :

All About Soil
Physsci7: sound reading questions
Plate tectonics quiz

Azterketa honekin sortua That Quiz — matematikako azterketak sortzeko gunea.