Light

Question 1

Encoding a message in a radio wave by varying frequency and amplitude

Answer 1

Modulation

Question 2

Radio detection and ranging system that sends out radio waves in all directions

Answer 2

Radar

Question 3

Shorter wavelengths than radio waves,higher energy,reflected by medals but transmitted through paper plastic and glass used in telecommunications

Answer 3

Microwaves

Question 4

Wavelengths are just slightly longer than visible red light,emitted from all warm objects(night vision,heat lamps)

Answer 4

Infrared

Question 5

Range of wavelengths that our eyes can detect,700 nm to 400nm

Answer 5

Visible light

Question 6

Higher energy and shorter wavelength than vis light overexposure can cause sunburn allows our skin to produce vitamin d

Answer 6

Ultraviolet

Question 7

Higher energy and shorter wavelength than uv light penetrate through soft tissues but absorbed by bone

Answer 7

X-Ray

Question 8

Highest frequency energy and penetrating ability used to kill cancer cells destructor to human tissue

Answer 8

Gamma

Question 9

Physical phenomena that behaves like waves but also behaves like stream of particles

Answer 9

Electromagnetic radiation(light)

Question 10

Transverse waves generated by the interaction of electric and magnetic fields

Answer 10

Wave model of light

Question 11

Objects that are reflecting lights

Answer 11

Illuminated objects

Question 12

An object that is emitting light

Answer 12

Luminous object

Question 13

Object that does not transmit light it either absorbs or reflects all light

Answer 13

Opaque object

Question 14

Object that transmits light in an irregular way

Answer 14

Translucent object

Question 15

You bisect that transmits light in a regular way

Answer 15

Transparent object

Question 16

Material that allows certain colors of light to pass through

Answer 16

Filter

Question 17

Opaque material that reflects certain colors of light and absorbs all other colors

Answer 17

Pigment

Question 18

Filter allows blue and green light to pass through

Answer 18

Cyan filter

Question 19

Blue green and red

Answer 19

Primary colors

Question 20

Cyan magenta yellow

Answer 20

Secondary

Question 21

Any two colors of light that add to white

Answer 21

Complimentary

Question 22

Magenta cyan yellow

Answer 22

Primary colors(pigment wheel)

Question 23

Blue green red

Answer 23

Secondary colors(pigment wheel)

Question 24

Rate at which light energy is emitted from a luminous source

Answer 24

Luminous flux(P lumens lm )

Question 25

The rate at which light energy strikes a surface

Answer 25

Illuminance (E lux lx)

Question 26

The luminous flux that falls on a 1m^2 section of the inside of a lm radius sphere

Answer 26

Luminous intensity (I candela cd)

Question 27

Can be used to determine the index of refraction of a substance if the angle of incidence and the angle of refraction can be measured

Answer 27

Snellslaw

Question 28

Separation of white light into separate colors of light due to different waves speeds off the different colors in different materials(refraction using prism)

Answer 28

Dispersion

Question 29

Longest wavelengths,used for TV signals

Answer 29

Radio waves