Study sets matching "physics em"

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Study sets matching "physics em"

30 terms
physics EM
high frequency radio waves used in cel…
another name for heat waves
the longest wavelength in the entire s…
the wave with a frequency just above t…
microwaves
infrared
am radio waves
ultraviolet waves
high frequency radio waves used in cel…
microwaves
another name for heat waves
infrared
21 terms
Physics-EM
voltage
current
resistance
power
the push relate to an electric field inside a circuit
the rate at which electrons flow through a wire
the effectiveness of a material to allow electrons to pass th…
the rate at which energy is used
voltage
the push relate to an electric field inside a circuit
current
the rate at which electrons flow through a wire
11 terms
Physics EM
Dangers of microwaves
Dangers of infra-red
Dangers of ultra violet
Dangers of gamma rays
Internal heating of body tissue
Skin burns
Damage to surface cells (skin cancer and blindness)
Cancer cell mutations
Dangers of microwaves
Internal heating of body tissue
Dangers of infra-red
Skin burns
EM Waves ~ Honors Physics
Amplitude
Angle of Incidence
Angle of Reflection
Angle of Refraction
displacement of the equilibrium of a wave to its highest point
angle created by the normal and the incidence ray
always equal to the angle of incidence; angle created by norm…
occurs when an incident ray comes into a new medium and is be…
Amplitude
displacement of the equilibrium of a wave to its highest point
Angle of Incidence
angle created by the normal and the incidence ray
16 terms
Vocab. EM (Physics)
Electric Fields
Magnetic Fields
Magnetic Domain
Magnetic Poles
An area where the direction moves way the force would place a…
The invisible area around a magnet like material
The place within a object which....
Pole that have magnets inside of them.The opposites attract,…
Electric Fields
An area where the direction moves way the force would place a…
Magnetic Fields
The invisible area around a magnet like material
12 terms
Physics EMS
Electromagnetic Spectrum
Radiation
Cosmic Radiation
Photon
A range of light energy based on wavelength, energy, and fequ…
Light Energy
Light Energy from space
Massless bundle of electromagnetic energy
Electromagnetic Spectrum
A range of light energy based on wavelength, energy, and fequ…
Radiation
Light Energy
16 terms
Physics midterm EM
Discuss the similarities and differenc…
3 ways to induce and Emf in a loop?
How much work is done on the charge by…
RHR1
-they both produce one another ... -electric field goes from pos…
-bring a magnet closer or farther away... -change the area of th…
MAGNETIC FIELDS DO NOT WORK !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!…
with a flat RIGHT hand..... -thumb points with V... -fingers point…
Discuss the similarities and differenc…
-they both produce one another ... -electric field goes from pos…
3 ways to induce and Emf in a loop?
-bring a magnet closer or farther away... -change the area of th…
IGCSE Physics EM Waves
Highest Frequency ... Lowest Wavelength
2nd
3rd
4th
Radio waves
Microwaves
Infrared
Visible Light
Highest Frequency ... Lowest Wavelength
Radio waves
2nd
Microwaves
PHYSICS - EM Induction
Magnitude of a Magnetic Field (magneti…
Direction of a Magnetic Field
Magnetic Flux (Φ)
Magnetic Flux Linkage
Ratio of magnetic force on a current carrying conductor to th…
The direction that the North pole of a small test compass wou…
Product of the magnetic field strength and a cross-sectional…
Product of the magnetic flux through a single coil and the to…
Magnitude of a Magnetic Field (magneti…
Ratio of magnetic force on a current carrying conductor to th…
Direction of a Magnetic Field
The direction that the North pole of a small test compass wou…
25 terms
Physics: Light / EM Spectrum
1. Gamma Ray
2. X-Ray
3. Ultraviolet
4. Visible
- cancer treatment... - astronomy
- luggage screening... - medical x-ray
- causes the skin to burn... - can cause skin cancer
- theatre/concert lighting... - rainbows
1. Gamma Ray
- cancer treatment... - astronomy
2. X-Ray
- luggage screening... - medical x-ray
5 terms
Physics EM Reflection Refraction
What is the source of all EM waves?
Hertz
What causes refraction?
Light does not pass through what kind…
Accelerating electric charges
One cycle per second
Different mediums
Opaque
What is the source of all EM waves?
Accelerating electric charges
Hertz
One cycle per second
36 terms
EM and Fluid Physics
Effective Nuclear Charge (Zeff)
Average Molecular Speed Equation
Avogadro's Number
Boyle's Law
a measure of the net positive charge experienced by the outer…
KE=(1/2)(m)(v^2)=(3/2)(Kb)(T)... where Kb = Boltzmann constant
6.022 E +23 molecules per mole
Pressure and Volume are inversely proportional
Effective Nuclear Charge (Zeff)
a measure of the net positive charge experienced by the outer…
Average Molecular Speed Equation
KE=(1/2)(m)(v^2)=(3/2)(Kb)(T)... where Kb = Boltzmann constant
Unit 8 Physics EM
Frequency
Wavelength
Ultraviolet Light
X-rays
How many waves can pass a given point per second, measured in…
Horizontal distance between the crests or between the troughs…
Another type of electromagnetic wave produced by the sun that…
Higher frequency than ultraviolet rays but lower than gamma r…
Frequency
How many waves can pass a given point per second, measured in…
Wavelength
Horizontal distance between the crests or between the troughs…
Physics: EM Waves and Communication
What can EM Radiation transmit?
Example of how EM Radiation transmits…
Why are Radio and Microwaves good at t…
What is metal good at?
Information.
Infrared - TV Remote Controls.... Microwave - Mobile phone and S…
Because they don't get absorbed by the Earth's atmosphere as…
Reflecting waves, so a Satellite dish can focus the waves ont…
What can EM Radiation transmit?
Information.
Example of how EM Radiation transmits…
Infrared - TV Remote Controls.... Microwave - Mobile phone and S…
Physics: EM Radiation and Energy
What is a Source?
How does the frequency of thermal radi…
What speed does radiation travel at?
What happens when Radiation is Transmi…
An Object which emits radiation.
It increases with Temperature.
Speed of light.
It just goes through the matter, like glass.
What is a Source?
An Object which emits radiation.
How does the frequency of thermal radi…
It increases with Temperature.
33 terms
Physics Sound/EM Vocabulary
Transverse Wave
Longitudinal Wave
Frequency
Speed
Perpendicular to wave; up/down; contained in EM
Parallel to wave; contained in earthquakes, sound, explosions…
# of waves/cycles passing a point in a period of time
Product of Wavelength/Frequency; Speed of wave depends on med…
Transverse Wave
Perpendicular to wave; up/down; contained in EM
Longitudinal Wave
Parallel to wave; contained in earthquakes, sound, explosions…
7 terms
Physics EM Spectrum
Radio waves
microwaves
Infrared
Visible light
AM, FM, TV
Microwave ovens, atomic/ molecular research, aircraft navigat…
Physical therapy, infrared photography, molecular vibrational…
VL photography, optical microscopy/ astronomy
Radio waves
AM, FM, TV
microwaves
Microwave ovens, atomic/ molecular research, aircraft navigat…
Physics - EM Waves
Radio
Micro
Infared
Visible
10(-1) to 10(6)
10(-3) to 10(-1)
7 x 10(-7) to 10(-3)
4 x 10(-7) to 7 x 10(-7)
Radio
10(-1) to 10(6)
Micro
10(-3) to 10(-1)
Physics EM spectrum uses
Radio waves
Microwaves
Infrared
Visible light
radio communications, satellite transmissions
microwave oven, mobile phones
thermal cameras, optical fibres, TV remote control
photography, vision
Radio waves
radio communications, satellite transmissions
Microwaves
microwave oven, mobile phones
Physics - EM Waves
Properties of EM Waves
Radio Waves
Microwaves
Infrared Waves
1. Can travel through a vacuum... 2. Travel at a same speed (3…
1. TV and radio broadcasting... 2. Radio communication
1. Cooking food... 2. Sattelite/Radar communications
1. Night vision equipment... 2. Infra-red glasses... 3. Infra-red…
Properties of EM Waves
1. Can travel through a vacuum... 2. Travel at a same speed (3…
Radio Waves
1. TV and radio broadcasting... 2. Radio communication
22 terms
Physics EM Radiation
Wave is both electric and magnetic
B. E. D. A. C. G. H. F.
Green
Green
Why is EM radiation called an EM wave? What is meant by EM?
Representation of the EM spectrum and place it in the appropr…
Which wave is shorter...Red or green light?
Which wave has the highest frequency Red or green?
Wave is both electric and magnetic
Why is EM radiation called an EM wave? What is meant by EM?
B. E. D. A. C. G. H. F.
Representation of the EM spectrum and place it in the appropr…
Physics Waves - EM Spectrum
radiowaves
microwaves
infra red
visible light
detect signals from outer space
cook food
thermal camera
allows us to see
radiowaves
detect signals from outer space
microwaves
cook food
Physics EM waves/colors
Magenta
Yellow
Cyan
White
Red+Blue
Red+Green
Green+Blue
Red+Green+Blue
Magenta
Red+Blue
Yellow
Red+Green
7 terms
Physics EM Waves
Radio
Micro
Infra-red
Visible Light
10^-1 to 10^6
10-3 to 10-1
7x10-7 to 10-3
4x10-7 to 7x10-7
Radio
10^-1 to 10^6
Micro
10-3 to 10-1
24 terms
Physics em formulas
Electric force btwn 2 pt charges
Electric field
Electric field around a point charge
Electric potential energy
F=kq1q2/r^2
E=Fe/q
E=kq/r^2
Ue=qV
Electric force btwn 2 pt charges
F=kq1q2/r^2
Electric field
E=Fe/q
Physics EM spectrum
Radio
Microwaves
Infrared
Visible light
longer wavelength... low frequency... -used for television signals
-used for cooking
-used for optical fibre
Red, Orange, Yellow, Green, Blue, Indigo, Violet... -used to see
Radio
longer wavelength... low frequency... -used for television signals
Microwaves
-used for cooking
6 terms
Physics EM waves vocal
reflection
refraction
diffraction
absorption
change in direction of a wave at the same angle it came towar…
the bending of light waves as they pass through an object
bending of light around an object
the way an object absorbs energy from a source
reflection
change in direction of a wave at the same angle it came towar…
refraction
the bending of light waves as they pass through an object
12 terms
Physics Definitions: EM waves
Nature of EM waves
Visible Light
Dispersion
Monochromatic
EM waves consist of oscillating magnetic and electric fields…
400-700 nanometres
The splitting of a complex wave into its component parts when…
Light of the same wavelength (or in a VERY small range)
Nature of EM waves
EM waves consist of oscillating magnetic and electric fields…
Visible Light
400-700 nanometres
16 terms
Physics EM spectrum
Dual nature of light
Longest wavelength
Highest frequency
Greatest energy
Light acts a wave and a particle
Radio waves
Gamma rays
Gamma rays
Dual nature of light
Light acts a wave and a particle
Longest wavelength
Radio waves
Physics: EM Radiation and The Atmosphere
What is the Greenhouse Effect?
What is Ozone and what does it do?
How does Ozone Form?
Is the Reaction of Ozone reversible?
Greenhouse Gases (CO2, Methane, Water Vapour) absorb infrared…
A Form of Oxygen, it absorbs UV Radiation.
UV Radiation splits O2 into (O,O) then one of them combines w…
Yes, so a chemical change occurs each time.
What is the Greenhouse Effect?
Greenhouse Gases (CO2, Methane, Water Vapour) absorb infrared…
What is Ozone and what does it do?
A Form of Oxygen, it absorbs UV Radiation.
AP PHYSICS EM
A
B
C
d
area
magnetic field
capacitance
distance
A
area
B
magnetic field
Physics Sound and EM Spectrum
Longitudinal wave
Mechanical wave
Pressure wave
Sound wave
has its oscillations parallel to the motion of the wave
requires a medium to travel through. None of these in a vacuum
has alternating high pressure and low pressure regions
a mechanical, longitudinal, and pressure wave
Longitudinal wave
has its oscillations parallel to the motion of the wave
Mechanical wave
requires a medium to travel through. None of these in a vacuum
55 terms
physics wave and em quiz
wave
equilibrium
pulse
longitudinal
a disturbance that travels through a medium from one location…
when a slinky is stretched from end to end and is held at res…
when you jerk the slinky forward, the beginning of the slinky…
a slinky wave is a _______ wave, the pulse is transferred thr…
wave
a disturbance that travels through a medium from one location…
equilibrium
when a slinky is stretched from end to end and is held at res…
7 terms
GCSE Physics: The EM Spectrum
1. Gamma (γ) waves
2. X-rays
3. Ultraviolet light
4. Visible light
Uses: Can destroy viruses, fungi and bacteria. Can be used to…
Uses: Can be used to detect broken bones and treat cancer.... Da…
Uses: Can detect bank-note forgeries and kill bacteria.... Dange…
Uses: Human vision, photography and photosynthesis.... Dangers:…
1. Gamma (γ) waves
Uses: Can destroy viruses, fungi and bacteria. Can be used to…
2. X-rays
Uses: Can be used to detect broken bones and treat cancer.... Da…
39 terms
Physics- EM Waves and Light- 1
What produces magnetic waves?
ALL Electromagnetic waves travel at
What is the speed of light in meter/ s…
Electromagnetic waves differ only
changing electric and magnetic fields traveling through empty…
the speed of light
3 * 10^8 meters/ second... 186,282.397 miles / second
by wavelength and frequency
What produces magnetic waves?
changing electric and magnetic fields traveling through empty…
ALL Electromagnetic waves travel at
the speed of light
17 terms
Physics EM spectrum and Light
Scientific theory
Scientific law
Aristotle
Christian Huygens
well-substantiated explanation of some aspect of the natural…
a statement based on repeated experimental observations that…
-neither a particle nor a wave... - thought that energy came out…
-believed it was an "aether" wave... -thought of the wave theory…
Scientific theory
well-substantiated explanation of some aspect of the natural…
Scientific law
a statement based on repeated experimental observations that…
Conceptual Physics Final: EM and Light
What is the speed of light?
All waves of the Electromagnetic spect…
As the frequency of a wave in the EM s…
What are the types of EM waves in orde…
The speed of light is 300,000,000 m/s
All waves of the Electromagnetic spectrum are TRANSVERSE waves.
As the frequency of a wave in the EM spectrum increases, it's…
Radio, Microwave, Infrared, Visible light, Ultraviolet, X-Ray…
What is the speed of light?
The speed of light is 300,000,000 m/s
All waves of the Electromagnetic spect…
All waves of the Electromagnetic spectrum are TRANSVERSE waves.
17 terms
Physics: EM Spectrum
Recall the EM spectrum in order of fre…
Recall the EM spectrum in order of wav…
How do you work out wave speed?
What type of waves are EM waves?
Gamma rays, X-rays, UV rays, visible light, infrared rays, mi…
Gamma rays, X-rays, UV rays, visible light, infrared rays, mi…
Frequency x Wavelength
Transverse
Recall the EM spectrum in order of fre…
Gamma rays, X-rays, UV rays, visible light, infrared rays, mi…
Recall the EM spectrum in order of wav…
Gamma rays, X-rays, UV rays, visible light, infrared rays, mi…
22 terms
Physics REV EM spectrum
Colours of the visible spectrum? (7)
What are radio waves used for?
What are microwaves used for?
What is infrared used for?
Red, orange, yellow, green, blue, indigo, violet
Communications in television and radio
Cooking and satellite transmissions (for phones) and send inf…
For heaters and night vision equipment
Colours of the visible spectrum? (7)
Red, orange, yellow, green, blue, indigo, violet
What are radio waves used for?
Communications in television and radio
23 terms
Physics - EM waves
What are radio waves used for?
How long are the wavelengths of radio…
How do radio waves transmit long-wave…
How do radio waves transmit TV and FM…
Communication
Longer than 10cm
The waves diffract around the earth
Waves are pointed directly at the place of reception
What are radio waves used for?
Communication
How long are the wavelengths of radio…
Longer than 10cm
Physics IGCSE - EM waves
List the EM spectrum in order.
What are the uses of radio waves?
What are the uses of microwaves?
What are the dangers of microwaves?
Radio, microwaves, infrared, visible, ultraviolet, x-rays, ga…
Broadcasting, communication
Cooking, satellite transmissions
Internal heating
List the EM spectrum in order.
Radio, microwaves, infrared, visible, ultraviolet, x-rays, ga…
What are the uses of radio waves?
Broadcasting, communication
Physics Exploring the Universe/EM Spectrum
Rhyme to remember EM spectrum
Uses of Radiowaves
Uses of Microwaves
Uses of Infrared
Red Meat Is Very Unhealthy eXept Gammon
*communications... *satellite transmissions
*cooking... *communications... *satellite transmissions
*cooking... *thermal imaging... *security systems... *short range comm…
Rhyme to remember EM spectrum
Red Meat Is Very Unhealthy eXept Gammon
Uses of Radiowaves
*communications... *satellite transmissions
15 terms
Physics Circuits, Magnetism and EM
For electricitky to flow through a cir…
Differentiate between series and paral…
Define Magnetism
What are magnetic domains?
complete
Total resistance... Series: R=R1+R2 (increase)... Parallel: 1/e= 1/…
The properties and interactions of magnets
Region of atoms group together with magnetic fields.
For electricitky to flow through a cir…
complete
Differentiate between series and paral…
Total resistance... Series: R=R1+R2 (increase)... Parallel: 1/e= 1/…
39 terms
Physics - Light and EM spectrum
What is the electromagnetic spectrum?
What is the EM spectrum order?
What speed do EM waves travel at?
Which EM wave is the only one we can s…
The range of electromagnetic waves placed in order of increas…
Radio waves, microwaves, infrared, visible light, UV, X-rays,…
300,000,000 m/s
Visible light.
What is the electromagnetic spectrum?
The range of electromagnetic waves placed in order of increas…
What is the EM spectrum order?
Radio waves, microwaves, infrared, visible light, UV, X-rays,…
Physics - EM waves and communication
What are microwaves used for?
Why are microwaves good ?
What are radio waves used for ?
What are infrared waves used for ?
Used for satellite communication.
Because they can pass through the weather watery atmosphere t…
Used for communication. The long wave lengths diffract around…
Used for remote controls and optical fibres
What are microwaves used for?
Used for satellite communication.
Why are microwaves good ?
Because they can pass through the weather watery atmosphere t…
58 terms
physics waves and the em spectrum
examples of uses of radio waves
examples of uses of microwaves
examples of uses of infrared
examples of uses of visible light
radio transmitter... radio
microwave oven... microwave transmitter... television
electric fire... infrared grill
sight... photography
examples of uses of radio waves
radio transmitter... radio
examples of uses of microwaves
microwave oven... microwave transmitter... television
5 terms
LIGHT/EM SPECTRUM (physics)
transverse
does NOT require a medium to travel th…
decreased speed with increased density…
red shift frequency
light/em spectrum is a (type of wave)
(medium limitations)
(speed)
changes which leads the observer seeing a shift in red color…
transverse
light/em spectrum is a (type of wave)
does NOT require a medium to travel th…
(medium limitations)
Physics Wavelengths of em spectrum
Radio waves
Microwaves
Infra Red
Visible Light
1 - 10^4 metres
10^-2 metres
10^-5 metres
10^-7 metres
Radio waves
1 - 10^4 metres
Microwaves
10^-2 metres
Physics-EM Spectrum
Gamma
X-Ray
Ultraviolet
Visible
(10^-16)-(10^-14)
(10^-14)-(10^-10)
(10^-10)-(10^-8)
(4-7)*10^-7
Gamma
(10^-16)-(10^-14)
X-Ray
(10^-14)-(10^-10)
12 terms
Physics EM3
Circle with line
B
A
I
Flux (wb)
Magnetic fie^ld strength (N/AM)
Area LxW (m^2)
Current (A)
Circle with line
Flux (wb)
B
Magnetic fie^ld strength (N/AM)
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