Lesson 1 Flashcards
The distance between the crest of waves is it’s
Wavelength
What consists of changing electric and magnetic fields
Electromagnetic waves
What of a wave is the number of waves that pass a particulate point in a certain amount of time
Frequency
The energy transferred by electromagnetic waves is called
Electromagnetic radiation
Visible light is a mixture of
Multiply color
Visible rays
Electromagnetic waves with the shortest wavelengths and highest frequencies are called
Gamma rays
Electromagnetic waves used in ovens and cell phone communications are called
Microwaves
Electromagnetic waves used in broadcasting
Radio waves
Electromagnetic waves that make tor skin feel warm
Infrared waves
Electromagnetic waves that helps your body produce vitamin D
Ultraviolet rays
Electromagnetic waves used to examine broken bones inside the body
X-rays
Includes the complete range of electromagnetic waves places in order of increasing frequency
Electromagnetic spectrum
Reflection occurs when light hits an irregular surface
Diffuse reflection
Reflection occurs when light hits an irregular surface
Diffuse reflection
Reflection occurs when light hits a smooth surface
Regular surface
Image is drones when light rays meet
Real
Is an imaginary line that divides a mirror in half
Optical axis
Is the point at which light rays parrallel to the optical axis meet
Focal point
Image is right side up
Virtual image
Mirror is a flat glass with silver colored coating on one side
Plane
To show how lightbreflects you can represents light rays as straight lines called
Rays
An blank is a copy of the object formed by reflected or refracted rays of light
Image
A morrow surface that curves inward like the inside of a bowl
Concave mirror
A mirror with a surface that curves outward is called
Convex mirror
