chapter 4 quiz Flashcards

1
Q

examples of electromagnetic radiation

A

x-ray
infared
ultraviolet light
visible light

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2
Q

form of energy that exhibits wave like behavior as it travels through space

A

electromagnetic radiation

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3
Q

distance between corresponding points of a typical wave

A

wave length

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4
Q

wave length is represented by what

A

lambda

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5
Q

the number of waves that pass a given point in specific time

A

frequency

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6
Q

frequency is represented by what

A

v

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7
Q

wave length is measured in what unit

A

length

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8
Q

unit used to measure frequency

A

hertz

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9
Q

speed of light in meters

A

3(10^8)m/s

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10
Q

speed of light in centimeters

A

3(10^10)cm/s

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11
Q

when wave length becomes bigger than

A

frequency becomes smaller

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12
Q

what does c stand for

A

speed of light

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13
Q

increasing frequency of visible spectrum

A

red, orange, yellow, green, blue, violet

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14
Q

increasing wavelength of visible spectrum

A

violet, blue, green, yellow, orange, red

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15
Q

wavelength of visible light

A

400-700nm

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16
Q

nano is

A

10^-9

17
Q

emission of electrons from a metal when light shines on the metal

A

photoelectric effect

18
Q

photoelectric effect happens because there is

A

a small number of electrons. when energy is applied, the electrons are released.

19
Q

minimum energy that can be lost or gained by an atom

A

quantum

20
Q

equation for energy

A

e=hv

21
Q

what does e stand for

A

energy (joules)

22
Q

h stands for

A

plancks constant

23
Q

particle of electromagnetic radiation having zero mass and carrying quantum of energy

A

photon

24
Q

lowest energy state of an atom

A

ground state

25
Q

state in which an atom has a higher potential energy than it has in ground state

A

excited state

26
Q

equation to solve for wavelength

A

c/v=lambda

27
Q

equation to solve for frequency

A

c/lambda=frequency