Electromagnetic Waves

Question 1

What are the 5 wave behaviors?

Answer 1

Reflection, Refraction, Dispersion, Absorption, Diffraction

Question 2

What is light a combination of?

Answer 2

Electromagnetic waves; combination of electric & magnetic energy

Question 3

How does light travel?

Answer 3

Waves made of particles called photons

Question 4

Which waves have the greatest frequency, shortest wavelength, and the most energy?

Answer 4

gamma rays

Question 5

Which waves have the smallest frequency and the longest wavelength?

Answer 5

radio waves

Question 6

the band of colors produced when light is separated into its component wavelengths

Answer 6

electromagnetic spectrum

Question 7

the range of wavelengths of electromagnetic radiation that our eyes can detect

Answer 7

visible light

Question 8

6 types of waves in order?

Answer 8

gamma rays, x-rays, ultraviolet, infrared, microwaves, radio waves

Question 9

shorter wavelength =

Answer 9

more energy

Question 10

3 types of matter?

Answer 10

transparent, translucent, opaque

Question 11

the bouncing back of a ray of light when it strikes a surface that it doesn’t go through

Answer 11

reflection

Question 12

law of reflection?

Answer 12

Oi (incident ray) is always equal to Or (reflected ray).

Question 13

the bending of a wave as it passes at an angle from one medium to another

Answer 13

refraction

Question 14

2 types of lenses?

Answer 14

concave & convex

Question 15

concave lenses make objects __

Answer 15

appear closer

Question 16

convex lens ____

Answer 16

spread light out

Question 17

refraction causing the separation of white light into its various color wavelengths is called __

Answer 17

dispersion

Question 18

violet wavelengths are refracted at a ____ angle than red wavelengths

Answer 18

greater

Question 19

___ occurs when all, or some, of the light energy from light waves is transferred from one medium to another.

Answer 19

absorption

Question 20

black ___ all light

Answer 20

absorbs

Question 21

colored surfaces ___ all wavelengths except for the color reflected

Answer 21

absorb

Question 22

bending of waves around an obstacle or through a hole

Answer 22

diffraction

Question 23

examples of diffraction:

Answer 23

surface of oil, CD’s, holographic images