Definitions
_____ is a form of energy we can see
What is light?
Name 5 parts of an eye
eyelid, retina, cornea, iris, lens, ciliary muscles, pupil, optic nerve, aqueous humour, vitreous humour, sclera, etc.
When Light bounces off a mirriors. This process accurs
What is reflection
_________ is a type of energy transfer that does not require matter.
What is Radiation
what is the colour that's has the longest wavelength ___
red
______ is a light source produced as a result of a chemical reaction
what is Chemiluminescent
the colored, ring-shaped muscle in the eye that surrounds the pupil
What is the iris
According to the law of reflection, the angle of reflection is equal to this angle.
Answer: What is the angle of incidence?
What is one advantage incandescent bulbs have over fluorescent bulbs?
Incandescent bulbs are cheaper.
this colour has the shortest wavelength
violet
_____ is the production and emission of light by a living organism.
What is Bioluminesence?
This passes information to the brain
What is the optic nerve?
This type of mirror curves inward and can focus parallel light rays to a single point.
What is a Concave mirror
What is one advantage Fluorescent tubes have over Incandescent bulbs.
Fluorescent tubes are more energy-efficient.
this device separates white lights into colour components ____
prism
______ is the process of absorbing light of higher energy and emitting light of lower energy.
The light passes through this part first
What is cornea
A plane mirror creates an image that is upright, virtual, and this relationship compared to the object's distance from the mirror.
What is the same distance behind the mirror as the object is in front of it?
__________ is the process in which light strikes a surface and bounces off said surface
What is Reflection.
what is the spectrum of light from red to violet
wavelength
____ is a type of light where a material absorbs energy and slowly re-emits it as visible light.
What is phosphorescent light?
Fluid that maintains constant pressure in the eye
What is the aqueous humour
A concave mirror has a focal length of 20 cm. An object is placed 30 cm in front of the mirror. Using the mirror equation, this is the image distance.
60 cm.
______ Materials fully block light and prevent any from passing through them.
What is Opaque.
When all the colors of visible light are combined in additive color mixing, the result is this color
white