Visible Light Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

What is the name for the seven colours of the rainbow?

A

ROYGBIV

Red, orange, yellow, green, blue, indigo, violet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is visible light?

A

The portion of the electromagnetic spectrum that human eyes can detect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which colour has the longest wavelength?

A

Red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which colour has the shortest wavelength?

A

Violet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe radio waves

A

• low energy waves- long wavelengths
• FM, AM, TV shows and radios
• remote control items,
Cell phones, wireless devices, etc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe microwaves

A
  • first used in radar, row used in communication

* consumer use (microwave ovens), wifi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Describe infrared radiation

A
  • often detected as heat
  • can be seen by night vision goggles
  • used in heat lamps, remote controls, lasers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe ultraviolet radiation

A
  • higher energy (shorter wavelengths) than visible light waves
  • causes skin to tan it burn
  • skin cancer or blindness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe x-rays

A
  • high energy (short wavelength)
  • medical imaging of teeth/bones
  • can pass through soft tissues
  • security equipment (luggage)
  • risk if cell death/cancer with overuse
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Describe gamma rays

A
  • highest energy (shortest wavelength)
  • can be generated in nuclear explosions
  • will kill living cells
  • can be used to kill cancer (radiation treatment
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does LOST stand for?

A

L- location
O- orientation
S- size
T- type

How well did you know this?
1
Not at all
2
3
4
5
Perfectly