12.2 quiz

1. An electromagnetic wave is caused by a disturbance in

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

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

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

3. Radiation is the

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

4. In a vacuum, the speed of EM waves

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

5. When microwaves encounter water, they

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

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

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

7. These EM waves have the highest energy.

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

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

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

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

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

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

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

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

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

Οι μαθητές που έκαναν αυτή την δοκιμασία είδαν επίσης :

All About Soil
Physsci7: sound reading questions
Plate tectonics quiz

Δημιουργήθηκε με That Quiz — η παραγωγή δοκιμασιών στα μαθηματικά με στοιχεία για άλλες θεματικές ενότητες.