Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Electromagnetic Spectrum > Visible light > Flashcards

Visible light Flashcards

(72 cards)

Start Studying
1
Q

Segment of the ElectroMagnetic Spectrum that the human eye can view

A

Visible light spectrum

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

Lies between the UV and Infrared Radiation

A

Visible light spectrum

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

Travels through a prism

A

Visible light spectrum

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

Which color has the longest wavelenth?

A

Red

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

Which color has the shortest wavelenth?

A

Violet

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

Red wavelength

A

620-750nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Orange wavelength

A

590-620nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Yellow wavelength

A

570-590nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Green wavelength

A

495-570nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Blue wavelength

A

450-495nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Violet wavelength

A

380-450nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Discovered Visible light

A

Lawrence Isaac Newton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How was Visible light discovered?

A

Newton took a glass prism and held it up to a beam of sunlight streaming through a window.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where visible light was discovered

A

Cambridge University of England (1665)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

As light passes through a ______ it is bent/refracted.

A

Prism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do prisms work?

A

As light passes through a prism, it is bent/refracted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Dominant source for light waves our eyes recieve

A

Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Produces white light (formed by the core)

A

Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The yellow tint we see as the sun is because?

A

The other colors are absorbed by clouds in the atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Sun surface temperature

A

5,500°C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Produces the white light of the sun

A

The core

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Outermost layer of the suns atmosphere

A

Corona

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Can be seen in visible light, but usually only on total eclipses

A

Corona

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Tapered patterns that are formed around the sun by the outward flow of the plasma that is shaped by magnetic field lines

A

Coronal Streamers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Provides important scientific clues that reveal hidden properties/elements
Absorption lines
26
Acts like fingerprints for atoms and molecules
Absorption lines
27
Close examination of the visible-light spectrum from our Sun and other stars reveal a pattern of dark lines
Absorption lines
28
Absorption lines occur when______
An electron jumps from a lower energy state to a; higher energy state --> Produces photons --> Light particles
29
What are light particles called?
Photons
30
Spectral Signatures
Graph of an objects reflectance across a spectrum
31
Obtains information about the spectral response of ground materials and land vegetation phenology, as reference for satellite measurements
Spectral signatures
32
Helps scientists determine the composition of the planets and other stars by identifying the specific wavelenths of light that they emit or absorb
Spectral signatures
33
The light that is emitted or absorbed by a planet or star can be separated into its various colors, which form a _____
Spectrum
34
Example of active remote sensing using visible light
Laser Altimetry
35
A device used aboard planet-orbitting satellites to map a planet's terrain
Laser Altimetry
36
The elevations of surface features can be calculated by comparing how long it takes a laser pulse to echo back at different locations
Laser Altimetry
37
Spectroscopic techniques
Employ light to interact with matter and thus probe certain features of a sample to learn about its consistency or structure
38
Uses visible light to produce a spectrum or absorption lines
Spectroscopic Techniques
39
Different elements have different ____?
Spectra
40
When light passes through an atom, the atom can _______
Absorb certain colors and wavelenth
41
Doppler red-shift of light
Observed from distant stars and galaxies
42
When did Edwin Hubble measure the redshift and ground and found that the redahift of a galazy depends on its distance from Earth
1929
43
Measured the redshift
Edwin Hubble
44
What ore did Uranium, Polodium, and Radium come from?
Pitchblende
45
Marie found that the ore was ___ more radioactive than Uranium.
4x
46
Marie Curie broke the ore down and found ______ which had varrying radio activity.
Radium and Polonium
47
Produces electrical charges produced by the radioactive sample begits to move the small light along the ruler
The Curie's Electrometer
48
Crystal used in Curie's electrometer which emits an electric charge
Piezoelectric quartz
49
Marie Curie also used _____ to obtain the absorption lines of the newly found elements.
Spectroscopic techniques
50
What proved that Marie had really found two new elements?
Absorption lines
51
GLAS
( Geoscience Laser Altimeter System) NASA instrument
52
Onboard the Ice, Cloud, and land Elevation Satellite (ICE Sat)
Geoscience Laser Altimeter System
53
Enables scientists to calculate the elevation of Earth's polar ice sheets
Geoscience Laser Altimeter System
54
Uses Laser and Ancillary data
Geoscience Laser Altimeter System
55
Can make unique measurements of the heights and characteristics of clouds
Geoscience Laser Altimeter System
56
Could end the need for travellers to switch to flight mode, Intrinsically safe
Visible light communication
57
What does LiFi stand for?
Light Fidelity
58
Can use existing power lines as LED Lighting so no new needed infrastructure is needed unlike with where you need to install new lines
LiFi
59
Range of wavelengths of visible light
380-700 nm
60
Nanometer
Metric unit of one billionth of a meter
61
Why is visible light important?
The human eye and brain work together to convert visible light energy into an electrical impulse that can be interpreted as an image.
62
Our eyes can detect electromagnetic radiation in the form of ________.
Visible light
63
The reason we can see things around us is because they ______.
Either emit, reflect, or absorb visible light.
64
Dispersion
The seperation of light into colors by refraction or diffraction with formation of a spectrum
65
Frequency of Red
400-484 THz
66
Frequency of Violet
668-789 THz
67
Why are some colors not in the visible light spectrum?
Because they can only be made from a mix of multiple wavelengths.
68
Colors containing only one wavelength are called ________.
Pure Colors or Spectral Colors
69
In the past, visible light resulted in industry-revolutionizing discoveries like _____________.
Light bulbs and fiber optics
70
Currently, visible light is necessary for medical imaging technologies such as ________.
CT, MRI, and X-rays for diagnosis.
71
How is visible light crucial in photosynthesis?
It utilizes pigments such as chlorophyll to absorb specific wavelengths of light.
72
The sky appears blue due to _______.
Rayleigh scattering

Electromagnetic Spectrum (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions