Science Deck Real Flashcards
a disturbance that moves through a medium when the medium’s particles cause neighboring particles to move.
Wave
A wave that is a result of vibrations between electric and magnetic fields.
Electromagnetic Wave
They travel in a vacuum.
Electromagnetic Wave
They don’t need a medium to travel.
Electromagnetic Wave
Has a speed of 3*10^8 m/s
Electromagnetic Wave
It is a range of all EM Waves.
EM Spectrum
It is arranged in order of increasing wavelength and decreasing frequency.
EM Spectrum
Invisible force field created by the attraction and repulsion of electrical charges.
Electric Field
It is an area around a magnet or something magnetic in which it has a force to attract objects to itself.
Magnetic Field
These are waves that allow us to listen to the radio.
Radio Waves
They have long wavelengths and low frequencies.
Radio Waves
They are used for broadcasting music, news etc…
Radio Waves
Have shorter wavelengths and higher frequencies than radio waves.
Microwaves
They are used in microwave ovens, cell phones and WI-FI.
Microwaves
Heat radiation
Infra
Used in TV Remotes and Thermal Cameras.
Infra
Allows us to see the world around us
Visible Light
Patterns of dark lines and colors
Visible Light
Have shorter wavelengths and higher frequencies than visible light.
UV Ray
Comes from the sun and causes sunburns.
UV Ray
Have shorter wavelengths and higher frequencies than UV Radiation.
X-Rad
Used in medical imaging like x-ray machines to see our bones and organs.
X-Rad
Have the shortest wavelength and highest frequency.
Gamma
Produced during nuclear reactions.
Gamma
Naturally produced by pulsars, supernova explosions, neutron stars and also by the decay of some radioactive elements.
Gamma
Cannot penetrate the cells of an organism.
Non-Ionizing Radiation
Non-Ionizing Radiation Examples
Radio, Micro, Infrared and Visible Light.
Has a photochemical reaction.
Non-Ionizing Radiation
Can penetrate the cells of an organism.
Ionizing Radiation
Biological damage
Ionizing Radiation
Ultraviolet, X-Ray, Gamma.
Ionizing Radiation
Affects fast growing cells like hair and skin. Kills cells.
Ionizing Radiation
High amount of radiation exposure but in a short period of time.
Acute
Exposed to a small amount of radiation but for a long period of time.
Chronic
Characteristics of Images Formed by a Plane Mirror
Virtual, Same Size, Same Orientation, Same Distance, Erect or Upright
Reflects light inward to one focal point. It is used to focus light.
Concave MIRROR
Converging mirror, because the reflecting surface is inward.
CONCAVE MIRROR
Dental Mirror, Microscope, Shaving Mirrors, Headlights.
CONCAVE MIRROR
MIRROR WITH REAL FOCAL POINT
CONCAVE MIRROR
MIRROR THAT FORMS REAL AND VIRTUAL IMAGES
CONCAVE MIRROR
Mirror that produces magnified and diminished images.
Concave Mirror
Reflect light outwards, not used to focus light.
Convex Mirrors
Diverging mirror, reflecting surface is outward.
Convex Mirrors
Safety Mirrors: images may be closer than they appear.
Convex Mirrors
Mirror that has a virtual focal point.
Convex Mirrors
Mirror that only produces diminished images.
Convex Mirrors
Formed when light rays actually meet after reflection.
Real Image
Can be formed on a screen.
Real Image
Light rays do not intersect.
Virtual Image
Images cannot be formed on a screen.
Virtual Image
When an image is formed beyond the center of the curvature the LOST is ?
Between C and F, Inverted, Reduced and Real.
When an image is formed at the center of the curvature the LOST is ?
At C, Inverted, Same and Real.
When an image is formed at the focus the LOST is ?
No Image Formed
Refers to the lens which merges the light rays at a particular point that travels through it.
Convex Lenses
Can be identified as the lens which disperses the light rays around that hits the lenses.
Concave lens
Lens with OUTWARD curve.
Convex
Lens with INWARD curve.
Concave
Light that converges in lens.
Convex
Light that diverges in lens.
Concave
Thicker at the center compared to its edges in lens.
Convex
Thinner at the center as compared to its edges in lens.
Concave
Used to correct far sightedness.
Convex Lens
Used to correct near sightedness.
Concave Lens
Real and inverted image, produces virtual, erect and enlarged image in a magnifying glass. LENSES.
Convex
Method used to predict the characteristics of images formed in curved mirrors.
Ray Diagrams
Optical instrument with 2 convex lenses.
Compound Microscope
They form an enlarged image of the object inside the microscope.
Compound Microscope
Uses convex lenses to make enlarged images.
Telescope
Has two types, reflecting/concave and refracting/convex telescopes.
Telescope
An optical instrument that forms and records an image of an object.
Camera
May be recorded on film or it may be detected by an electronic sensor.
Camera
