Vocab
infrared light
electromagnetic waves with wavelengths just shorter than microwaves
This lens is diverging and this lens is converging
What is a) converging and b) diverging?
Red light waves have the highest frequency.
What is false?
These two things can happen when light travels from one substance to another
What is reflection and refraction?
part of the electromagentic spectrum that the human eye can see
What is visible light?
These elctromagnetic waves have the longest wavelengths
What are radio waves?
Electromagnetic waves can travel through empty space.
What is true?
These colors from lowest to highest frequency: orange, violet, yellow, green
What is orange, yellow, green, and violet?
reflection
What is when light or sound waves bounce off an obstacle?
This is what we call light that vibrates in only one direction
What is polarized?
A material in which light passes through but makes the object appear fuzzy is called opaque.
What is false?
A converging lens causes light rays to do this
What is bend so they converge to a single point
The angle of reflection equals the angle of incidence
What is the law of reflection?
This is why the sky looks blue on sunny days
What is the scattering of blue light?
When light is traveling in air and suddenly hits a glass window, the light will speed up when it enters the glass.
What is false.
This is why objects underwater appear to be at a different position
What is light bends when it travels from air to water causing your mind to form a false image of the object in a slightly different location.
Electromagnetic wave
What is a transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field?
In order to see a rainbow, these three conditions must be met
What are water droplets suspended in air, the sun shining on them from behind you, & the sun must be at a certain angle?
Einstein's Theory of Special Relativity says that nothing with mass can travel faster than the speed of light
What is true?
This is what the eye does to change focus
What is change the shape of the lens?