Test 3

Question 1

the study of light in all its forms, both visible and invisible.

Answer 1

Optics

Question 2

electromagnetic radiation

Answer 2

A simple definition of light

Question 3

a dual transverse, non-mechanical,
self-propagating wave that travels at a constant speed in a homogeneous
medium.

Answer 3

A more complex definition of light

Question 4

We say that the electric field disturbance creates the magnetic field disturbance , and the magnetic field disturbance, in response, creates the electric field disturbance , back and forth, ad infinitum.

Answer 4

Light is self-propogating

Question 5

The intensity of an ordinary light source decreases with the distance squared.

Answer 5

The Inverse Square Law

Question 6

all of it (all of its rays) are going in one direction.

Answer 6

Spatially Coherent Light

Question 7

It is all of one frequency.

Answer 7

Temporally Coherent Light

Question 8

Light that is temporally and spatially coherent, like lazers

Answer 8

Coherent Light

Question 9

radio, tv, microwave, infrared, visible, ultraviolet, x-ray, and gamma ray.

Answer 9

radio, tv, microwave, infrared, visible, ultraviolet, x-ray, and gamma ray.

Question 10

reflection, transmission and absorption.

Answer 10

How light interacts with matter

Question 11

the bouncing of light off matter.

Answer 11

Reflection

Question 12

movement of light through something (solid, liquid or gas).

Answer 12

Transmisson

Question 13

the transmutation of the light’s energy into mechanical energy in the matter, with the subsequent re-emission of new light out of the matter at a lower frequency.

Answer 13

Absorption

Question 14

the bouncing of light off matter.

Answer 14

Reflection

Question 15

the bending of light as it passes from one optical medium to another of a different density.

Answer 15

Refraction

Question 16

the breaking up of white light into its component colors.

Answer 16

Dispersion

Question 17

the bending of light around corners.

Answer 17

Diffraction

Question 18

image integrity is maintained in reflection.

Answer 18

Specular reflection

Question 19

when light reflects in random directions off a less that shiny and less than smooth surface.

Answer 19

Diffuse Reflection

Question 20

Ole Roamer

Answer 20

1st to use astronomy to determine the speed of light

Question 20

299,792,458 meters per second

Answer 20

The speed of light in the vacuum of space

Question 21

To this day, coherent light from powerful
Earth based laser beams are sent to the
Moon and reflected back to Earth to measure
how far away the Moon is at the time of
measurement.
Currently, there are five highly reflective
mirrors on the Moon, three left by Apollo
astronauts (from the Apollo 11, 14 and 15
missions), and two left by Russian robotic
missions.
We know the distance to the Moon to
millimeter precision. Currently, the Moon is
migrating away from the Earth about 3.8
centimeters per year.

The moon is 238,900 miles away

Answer 21

How we know how far away the moon is

Question 22

Red, green, blue

Answer 22

3 colors of light that humans can see

Question 23

Yellow, turqoise, magenta

Answer 23

3 complementary colors of light that humans can see

Question 24

Chicago is delayed 6 hours in relation to London

Answer 24

The difference between Central Daylight Standard Time and London Summer Time

Question 25

180 degrees

Answer 25

International Date Line longitude

Question 26

90 degrees

Answer 26

Chicago's Longitude

Question 27

41 n

Answer 27

Chicago's longitude

Question 28

Greenwhich Mean Time or Universal Time Coordinated

Answer 28

London's longitude

Question 29

Paschal Moon

Answer 29

What the Native Americans will call the moon on April 12th, 2025

Question 30

Betelgeuse, Sirius, and Procyon.

Answer 30

The 3 stars that makeup the winter triangle

Question 31

Betelgeuse

Answer 31

The star that makes up Orion's left shoulder

Question 32

“The Three Kings” or the “The Three Sisters.”

Answer 32

Orion's belt

Question 33

It is the third brightest reflecting object in the solar system.

Answer 33

Jupiter

Question 34

the fourth brightest sunlight reflecting object in the Solar System

Answer 34

Mars

Question 35

Deimos and Phobos

Answer 35

The 2 moons that mars has

Question 36

Io, Europa, Ganymede and Callisto

Answer 36

Jupiter's moons as discovered by Gallieo

Question 37

Europa and Callisto

Answer 37

May harbor life

Question 38

Olympus Mons

Answer 38

Tallest Volcano in the solar system

Question 39

25 Earth Hours

Answer 39

1 Mars Day

Question 40

10 Earth Hours

Answer 40

1 Jupiter Day

Question 41

11.6 Earth years

Answer 41

1 Jupiter Year

Question 42

2 Earth Years

Answer 42

1 Mars Year

Question 43

The largest planet in the solar system

Answer 43

Jupiter

Question 44

Jupiter, Saturn, Uranus, and Neptune.

Answer 44

Planets that currently have rings

Question 45

about 4.51 billion years old.

Answer 45

How old the moon is

Question 46

created by a collision between a planetismal (a small planet-like object called Theia) and Earth.

Answer 46

How the moon was created

Question 47

the time between a New Moon and the next New Moon.

Answer 47

Synodic Month

Question 48

the time for the Moon to orbit the Earth, compared to the faraway stars

Answer 48

Sidereal Month

Question 49

waxing crescent, waxing gibbous, waning gibbous, and waning crescent

Answer 49

Illumination phases of the moon

Question 50

barred spiral galaxy

Answer 50

The kind of galaxy that the Milky Way Galaxy is

Question 51

It is thought that the Andromeda and Milky Way Galaxies will collide in about 4.5 billion years.

Answer 51

The fate of the Andromeda Galaxy

Question 52

approximately 30 gravitationally connected galaxies of various sizes and types.

Answer 52

The local group of galaxies

Question 53

Andromeda, Milky Way, Triangulum Galaxy, Supergiant Elliptical Galaxy Virgo A, IC 10

Answer 53

5 largest galxay's in the local group

Question 54

Sextant

Answer 54

Used in ancient times to determine latitude