- 1 Hz=: 1 cycle per second
- Additive Primary Colors: mixing light together
- All object give off some infrared light if they are above ________ _________: Absolute zero
- Amplitude: The distance from the normal rest position
- Angle of Incident: angle from the normal line to the incoming ray
- Angle of Relection: angle from the normal line to the outgoing ray
- Black: when you mix all the subtractive colors together
- Candelas: what energy is measured in
- Concave: Curved in the middle
- Constructive interference: when two waves meet and make a larger wave
- Convex: curved out in the middle
- Crest: Highest point in wave
- Destructive Interference: when two waves meet and make a smaller wave
- Dispersion: separation of the different colors of light by bending that light
- DNA: Ultraviolet light has enough energy to rearrange that______ in your skin cells.
- Electromagnetic wave are made up of________and_________: electricity/magnetism
- Focal Length: distance from the lens to where the light is focused
- Frequency: How many waves pass at a given point every second
- Frequency is measured in: Hertz
- frequency of waves x's wavelength: velocity =
- Illuminated Obects: objects that reflect light
- illumination: how much light hits a surface
- illumination depends on_____and ______: intensity / distance
- Incadescent Objects: objects with so much thermal energy they glow
- Incident Ray: The ray of light headed toward surface
- Infered Light: the energy an object releases as heat
- Intensity: how bright a light is
- Lenses: bends to focus light
- Light: waves through space 300,000,000m/s
- Longitudinal Waves: waves that vibrate that in the same direction as the wave is moving
- Luminous objects: objects that produce light
- meansRadio Detection And Ranging: Radar
- Mechanical Waves: waves that actually move the matter they are going through
- Microwave: The machine in your house
- Monochromatic: produce only one color of light
- Normal line: imaginery line drawn perpendicular to surface
- Plane: flat
- Plice shoot__________ tawords a car to determine how fast it is going: microwaves
- Red: ________has longer waves than violet
- Reflected Ray: The ray of light leaving surface
- Reflection: when light hits a shiny surface the angle at which light leaves the surface
- Refraction: the heading of the light when it enters a new medium
- Shorter / More: MoreTHe ____and electromagnetic wavelength the_______energy it has
- Skin Cancer: Ultraviolet rays can rearrange your DNA so they dont reproduce which causes_____ _______
- Sound: waves through air 332m/s
- speed of light: the speed electromagnetic waves travel
- Subtractive Primary Colors: Mixing pigments or paints together
- The two parts of electromagnetic waves vibrate _________ to each other: perpendicular
- The _____ from each wave ______ to move in the direction is was headed before the waves met: energy / continues
- Trasnverse Waves: waves that vibrate perpindicular to the direction the wave is traveling
- Trough: Lowest point of the wave
- Tsunami's can travel at: 500mph
- Ultraviolet Light: Light that can damage human skin
- Ultraviolet light can give you________: Sunburn
- Ultraviolet lightWhat: can sterilize certain things
- Velocity: How fast energy is transfered from one particle to the next
- Visible Light: Red light closest to infrared
- Wave Interference: what happens when two waves from different sources meet
- Wave length: The length of one wave
- waves are a ______: transfer of energy
- Waves do not_______the medium they move through: displace
- What are the three additive primary colors: Red,Green,Blue
- What are the Three subtractive colors: Yellow, Cyan, Magenta
- white Light: light that contains all of the colors in the spectrum
- White light: when you mix the three additive primary colors together
- X-Rays: made when high energy electrons are slowed down quickly
- x-rays: what can be harmful in large quantities