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Flashcards in Lesson 1 Deck (29):
0

What consists of changing electric and magnetic fields

Electromagnetic waves

1

The distance between the crest of waves is it's

Wavelength

2

What of a wave is the number of waves that pass a particulate point in a certain amount of time

Frequency

3

The energy transferred by electromagnetic waves is called

Electromagnetic radiation

4

Visible light is a mixture of

Multiply color
Visible rays

5

Electromagnetic waves with the shortest wavelengths and highest frequencies are called

Gamma rays

6

Electromagnetic waves used in ovens and cell phone communications are called

Microwaves

7

Electromagnetic waves used in broadcasting

Radio waves

8

Electromagnetic waves that make tor skin feel warm

Infrared waves

9

Electromagnetic waves that helps your body produce vitamin D

Ultraviolet rays

10

Electromagnetic waves used to examine broken bones inside the body

X-rays

11

Includes the complete range of electromagnetic waves places in order of increasing frequency

Electromagnetic spectrum

12

Reflection occurs when light hits an irregular surface

Diffuse reflection

13

Reflection occurs when light hits an irregular surface

Diffuse reflection

14

Reflection occurs when light hits a smooth surface

Regular surface

15

Image is drones when light rays meet

Real

16

Is an imaginary line that divides a mirror in half

Optical axis

17

Is the point at which light rays parrallel to the optical axis meet

Focal point

18

Image is right side up

Virtual image

19

Mirror is a flat glass with silver colored coating on one side

Plane

20

To show how lightbreflects you can represents light rays as straight lines called

Rays

21

An blank is a copy of the object formed by reflected or refracted rays of light

Image

22

A morrow surface that curves inward like the inside of a bowl

Concave mirror

23

A mirror with a surface that curves outward is called

Convex mirror

24

Blank of a medium is a measure is a measure of how much a light rat bends when it enters a medium

Index of refraction

25

Is an image if a distance object caused by light refraction

Mirage

26

Is a curved peice of glass or other transparent substance that is used to refract light

Lens

27

Lens is thicker in the center than at the edges

Convex

28

Lens that is thinner in the center than at the edges

Concave