Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
71 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
oscillation accompanied by a transfer of energy from one point in space to another |
wave |
|
|
|
highest point of a wave |
wave crest |
|
|
|
lowest point of a wave |
wave trough |
|
|
|
distance between the successive crests of a wave |
wave length |
|
|
|
distance from rest to crest or from the middle to the crest |
amplitude |
|
|
|
distance between the elevation of crest and trough |
wave height |
|
|
|
needs a medium for their propagation |
mechanical waves |
|
|
|
caused by wave amplitude, not frequency |
mechanical waves |
|
|
|
also called "periodic disturbances" |
mechanical waves |
|
|
|
has low speed |
mechanical waves |
|
|
|
can't undergo polarization |
mechanical waves |
|
|
|
an electrical and magnetic disturbance that moves through the space at the speed of light |
electromagnetic waves |
|
|
|
also called "transverse waves" |
electromagnetic waves |
|
|
|
has high speed |
electromagnetic waves |
|
|
|
can be polarized |
electromagnetic waves |
|
|
|
does not need any medium for their propagation |
electromagnetic waves |
|
|
|
can travel through vacuum |
electromagnetic waves |
|
|
|
shows a gradual progression from the waves of the highest frequency to the waves of the highest frequency or vice versa |
em spectrum |
|
|
|
wavelength and frequency |
inverse |
|
|
|
energy and frequency |
direct |
|
|
|
longest wavelength in the em spectrum |
radio waves |
|
|
|
can carry the news, ball games, and music |
radio waves |
|
|
|
can carry signals to tv sets and cellular phones |
radio waves |
|
|
|
shorter than radio waves |
microwaves |
|
|
|
heats food and for radar images (such as doppler) |
microwaves |
|
|
|
long waves detected as heat |
thermal or far infrared |
|
|
|
sun gives off this wavelength and plants can reflect this wavelength |
near infrared |
|
|
|
has two types: thermal and near waves |
infrared waves |
|
|
|
the only electromagnetic waves we can see and are the colors of the rainbow |
visible light (waves) |
|
|
|
color that has the longest wavelength |
red |
|
|
|
color that has the shortest wavelength |
violet |
|
|
|
can cause sunburns |
ultraviolet (waves) |
|
|
|
invisible to human, sometimes visible to insects |
ultraviolet |
|
|
|
passes easily through skin |
xray |
|
|
|
smallest wavelength |
gamma (rays) |
|
|
|
by radio active atoms and in nuclear explosions |
gamma (rays) |
|
|
|
can kill living cells |
gamma (rays) |
|
|
|
shows how a current-carrying wire reacts like a magnet |
hans christian oersted |
manuel vargas |
|
|
demonstrated the magnetic effect based on the direction of current |
andre-marie ampere |
unfair daw |
|
|
showed experimental evidence of electromagnetic waves and its link to light |
james clarke maxwell |
grade 9 section and ate's section |
|
|
formulated the principle behind electromagnetic induction |
michael faraday |
friday |
|
|
contributed in developing equations and the relation of electricity and magnetism |
heinrich hertz |
hearts |
|
|
the father of electrodynamic waves |
ampere |
|
|
|
v |
m/s |
|
|
|
wavelength |
m |
|
|
|
frequency |
Hz |
|
|
|
c (speed of light) |
3x(10)8 m/s |
|
|
|
h |
6.63x(10)-34 |
|
|
|
E |
J.s |
|
|
|
visually perceiving images that differ from objective reality |
optical illusion |
|
|
|
uses colors, light, and other features to trick the mind |
optical illusion |
|
|
|
a branch of physics which involves the behavior and properties of light including its interactions with matter and the construction of instruments that use or detect it |
optics |
|
|
|
a combination of both electrical and magnetic energy |
light |
|
|
|
can emit or send off their own light |
luminous (objects) |
|
|
|
cannot emit their own light |
non luminous (objects) |
|
|
|
light is produced when an object is heated at a very high temperature |
incandescence |
|
|
|
light is produced other than by heating |
luminescence |
|
|
|
light is produced when an electric current passes through a mercury vapor in the light bulb |
fluorescence |
|
|
|
emits light after some exposure to some form of radiant energy |
phosphorescence |
|
|
|
plane mirror or any other surface that produces a reflected image |
regular reflection |
|
|
|
like any surface that we see but does not reflect an image |
diffuse reflection |
|
|
|
the angle of _ is equal to the angle of _ |
incidence and reflection |
|
|
|
rays that fall on one plane |
incident, normal, and reflected (ray) |
|
|
|
curved mirror with the reflecting surface on the hollow side |
concave mirror |
|
|
|
curved mirror with the reflecting surface on the outer side |
convex mirror |
|
|
|
the point where the light rays coming from an object which gives out light rays meet or appear to meet after reflection or refraction |
image |
|
|
|
the image formed by a mirror that may be real or virtual |
mirror image |
|
|
|
formed by an actual intersection of reflected rays |
real image |
|
|
|
formed in front of the mirror |
real image |
|
|
|
always upside down relative to the object |
real image |
|
|
|
can be projected on a screen |
real image |
|
