Quiz Flashcards Preview

AP Chemistry > Quiz > Flashcards

Flashcards in Quiz Deck (36)
Loading flashcards...
1

light is a form of _____

electromagnetic radiation

2

light is composed of perpendicular oscillating waves, one for the ___ field and one for the ____ field

electric; magnetic

3

a(n) ___ field is a region where electrically charged particle experiences a force

electric

4

a(n)___ field is a region where magnetized particle experiences a force

magnetic

5

speed of light

3.0 x 10^8 m/s

6

the ____ is the height of the wave

amplitude

7

the amplitude is the distance from ___ to ___

node to crest or node to trough

8

the ___ is a measure of light intensity - the larger the amplitude the brighter the light

amplitude

9

the ___ is a measure of the distance covered by the wave

wavelength

10

the distance from one crest to the next (or one trough to the next) or the distance between alternate nodes is ___

wavelength

11

the ___ is the number of waves that pass a given point in a given period of time

frequency

12

the number of waves = the number of ___

cycles

13

units for frequency

hertz or cycles/s = s^-1

14

the total energy is ____ to the amplitude of the waves and the frequency

proportional

15

the larger the amplitude, the more ___ it has

force

16

the more frequently the waves strike, the ___ total force there is

more

17

for waves traveling at the same speed, the shorter the wavelength, the ___frequently they pass

more

18

the wavelength and frequency of electromagnetic waves are ___ proportional

inversely

19

frequency equation

v = c/wavelength

20

the color of light is determined by its ___ or ___

wavelength or frequency

21

____ light is a mixture of all the colors of visible light

white

22

The observed color is predominantly the colors ___

reflected

23

electromagnetic spectrum (lowest to highest)

radio microwave infrared visible ultraviolet xray gamma

24

1nm = ____ m

10^-9

25

10^9 nm = ____ m

1

26

the interaction between waves is called ___

interference

27

_________ : when waves interact so that they add to make a larger wave (_ phase)

construction interference - in phase (crest w/crest, trough w/trough)

28

______: when waves interact so they cancel each other it is called ___________

destructive interference; out of phase

29

it was observed that many metals emit electrons when a light shines on their surface - this is called the ____ effect

photoelectric (shiny metal)

30

if the wavelength of light is made shorter, or the light wave's intensity made brighter, ___ electrons should be ejected

more