Light FlashCards
What is an Electromagnetic Wave?
A wave that can travel through empty space or matter and consists of changing electric and magnetic fields.
What is Radiation?
The transfer of energy through electromagnetic waves..
What is Refection?
When light waves bounce off of an object.
What is Absorption?
The transfer of energy carried by light waves to particles of matter.
What is Refraction?
The bending of a wave as it passes from one substance or material to another.
What is Scattering?
An interaction of light with matter that causes light to change direction.
What is Diffraction?
The bending of a wave around a barriear or opening.
What is Interference?
An interaction with waves where two waves overlap each other
What is Transmission?
The passing of light through matter.
Transparent
Matter through which visible light can pass through.
Translucent
matter that transmits light but also scatters it as the light goes through.
Opaque
Matter that cannot transmit light at all.
Pigment
A material that gives a materiel its color by absorbing light
What is nearsightedness ?
Happens when a person’s eye is to long
What is Farsightedness?
happens when a person’s eye is to short
