The complete spectrum of light both seen and unseen
What is the electromagnetic spectrum?
When a person has a hard time seeing things that are far away
The three subtractive primary colors
What are cyan, magenta, yellow?
When the sides of a converging lens are curved outward
what is a convex shape?
Formed when the waves of light bounce off a source
What is a reflection?
The light we see with our eyes
what is the retina?
when the sides of a diverging lens are curved inward
These can transport light over great distances and not let it escape
What is a fiber optics
The type of light emitted from a space heater in your house
The way we perceive color is based on...
What is The frequency of the light that hits our eyes.
The color of light that absorbs all wavelengths except those that correspond to blue and green
What is cyan?
A lens which focuses light rays to a single point.
what is a converging lens?
When a wave enters an obstacle and bends in response to a change in speed
What is refraction?
Light that has enough energy to kill living tissue and is used to sterilize things
What is ultraviolet light?
Acronym for the colors of the spectrum
What is ROYGBIV?
Without looking, order the following colors in terms of increasing frequency:
yellow, indigo, red, green.
What is Red, yellow, green, indigo.
Light Ray approaching a reflective surface
What is an incident ray
Light reflects off of objects and enters our eyes, our eyes detect the light and send signals to our brain which forms an image in our brain.
What is sight?
The types of electromagnetic waves with wavelengths shorter than visible light
What are ultraviolet light, x-ray, and gamma rays
The light-sensitive cells in the retina of the eye which send messages to the optic nerve, and then the brain.
What are rods and cones?
What are red, green, and blue?
What is a diverging lens?
What happens to the speed of light when it suddenly hits a lake?
what is "it will slow down?"