Physics- Electromagnetic Spectrum Test

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44 Terms

1
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electromagnetic radiation

an electric and magnetic disturbance traveling through space at the speed of light

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no

does electromagnetic radiation have mass?

3
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photons

packets of energy from electromagentic radiation

4
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electromagnetic spectrum

order or grouping given to the different electromagentic radiation

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true

T/F electromagentic radiation contain different wavelengths, frequencies, and energy but all travel at the speed of light

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false

T/F electromagnetic radiation requires a medium to travel

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False

T/F all electromagnetic radiation can ionize mater

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meters (m)

what is the unit of wavelength?

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Hertz (Hz)

what is the unit of frequencies?

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Electron Voltz (eV)

what is the unit of energy?

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meters per second (m/s)

What is the unit for velocity?

12
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radiowaves, microwaves, infrared, ultraviolet, x-rays, and gamma rays

what are the electromagnetic radiations on the electromagnetic spectrum?

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ultraviolet, x-rays and gamma rays

what are the only electromagnetic radiations that can ionize matter?

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wavelength

the distance between corresponding points of the wave form

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wave form

path/wave of which of the photon travels

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frequency

how many wave forms are passing in a given amount of time

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amplitude

how far are you moving side-to-side from middle line running transversely across the wave form

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direct

what is the relationship between amplitude and energy?

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indirect

what is the relationship between wave length and frequency?

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Indirect

what is the relationship between wave length and energy?

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low energy and low frequency

what type of energy and frequency is long wave length?

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high energy and high frequency

what type of energy and frequency is short wave length?

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wave-particle duality

the concept that photons exhibit both wave-like and particle-like properties

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they can ionize matter

why are higher energy photons more closely related to a photon?

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they can not ionize matter

why are lower energy photons more closely related to a wave?

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3 x 10^8 m/s

what is the speed of light?

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4.15 x 10^(-15) eV/sec

What is Planck's constant?

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E= hf

what is the equation to find energy?

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v= λ x f

velocity of electromagnetic radiation equation

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c= λ x f

speed of light equation

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highly penetrating invisible rays

electrically neutral

polyenergetic or heterogenous

liberate minute amounts of heat

travel ordinarily in straight lines

travel at the speed of light

ionize matter and gases directly

causes fluorescence of certain crystals

cannot be focused by a lens

affect photographic film

produce chemical and biological changes by ionization and excitation

produce (secondary) scatter radiation

what are the 12 properties of x-rays?

(Harry Eventually Paid Lilly To Travel In Flordia Cause Ava Probably Peed)

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No, they are just energy

is gamma ray emission a physical particle?

33
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nucleus with excess energy

what is the origin of gamma rays?

34
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gamma rays

Electromagnetic waves with the shortest wavelengths and highest frequencies

35
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0

what is the charge of a gamma ray

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0.

what is the atomic mass is a gamma ray

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very low

what type of ionization does a gamma ray have

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high

what type of penetration does a gamma ray have?

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ceases to exist

what happens to a gamma ray after KE is lost?

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their origin

what is the only difference between x-rays and gamma rays?

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man made

what is the origin of x-rays?

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isomer

when gamma ray emission occurs, what is the end result?

43
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1 angstrom

10^(-10) meters equals what?

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10^(-10) meters or 1 angstrom

wavelength of x-rays are equal to what?