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Spectrum of light after reflection off of an object
In physics, a reflection spectrum is the spectrum of reflected light emitted from an object or material. The properties of the reflecting material affect
Reflection_spectrum
Mirror-like wave reflection
Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. The law of reflection states that a
Specular_reflection
Phenomenon in black hole physics
properties of the disk, corona, and the black hole itself; analyzing the reflection spectrum of a black hole's disk can therefore provide information about the
Relativistic_reflection
Spectroscopic techniques that measure the absorption of radiation
equivalent. The absorption spectrum can be calculated from the emission spectrum using Einstein coefficients. The scattering and reflection spectra of a material
Absorption_spectroscopy
Clouds of interstellar dust which reflect the light of nearby stars
the dust visible via scattering effects. Thus, the frequency spectrum shown by reflection nebulae is similar to that of the illuminating stars. Among the
Reflection_nebula
Condition involving social and behavioral differences
PMID 26763353. Kamp-Becker I (March 2024). "Autism spectrum disorder in ICD-11—a critical reflection of its possible impact on clinical practice and research"
Autism
Meteorological phenomenon
caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky.
Rainbow
Type of psychology test
cognitive reflection test (CRT) is a task designed to measure a person's tendency to override an incorrect "gut" response and engage in further reflection to
Cognitive_reflection_test
Color model based on red, green and blue
colors are combined, their reflection spectrum multiplies wavelength for wavelength. In the additive model, if the resulting spectrum, e.g. of superposing three
RGB_color_model
Hot plasma around an accretion disk
characteristic altered spectrum, particularly prominent around the Fe-kα line, which is associated with highly-ionized iron. This reflection spectrum may also have
Accretion_disk_corona
Capacity of an object to reflect light
The dependence of reflectance on the wavelength is called a reflectance spectrum or spectral reflectance curve. The hemispherical reflectance of a surface
Reflectance
Optical phenomenon
increasing reflection at some wavelengths and decreasing it at others. When white light is incident on a thin film, this effect produces colorful reflections. Thin-film
Thin-film_interference
Perception caused by wavelengths of light
emission, reflection and transmission. For most humans, visible wavelengths of light are the ones perceived in the visible light spectrum, with three
Color
Genus of brush-footed butterflies
"branches"), and a small height offset between neighboring ridges. The reflection spectrum is found to be broad (about 90 nm) for alternating layers and can
Morpho_(genus)
Platform game
Beast is a 2016 platform video game developed by British studio Heavy Spectrum Entertainment Labs and published by Sony Interactive Entertainment for
Shadow of the Beast (2016 video game)
Shadow_of_the_Beast_(2016_video_game)
Visual analogy for political or ideological positions
A political spectrum is a system to characterize and classify different political positions in relation to one another. These positions are typically placed
Political_spectrum
Species of flowering plant
Identification of Blue Colorants in Ukiyo-e Prints by Visible-Near Infrared Reflection Spectrum Obtained with a Portable Spectrophotometer Using Fiber Optics", Bunseki
Commelina_communis
Property of accretion disks
motions of gas in a thick disk are also believed to affect the disk's reflection spectrum, although how and to what extent is still under scientific debate
Geometrical_thickness
Electronic instrument
other TDRs transmit complex signals and detect reflections with correlation techniques. See spread-spectrum time-domain reflectometry. The equivalent device
Time-domain_reflectometer
Infrared spectroscopy sampling technique
Attenuated total reflection (ATR) is a sampling technique used in conjunction with infrared spectroscopy which enables samples to be examined directly
Attenuated_total_reflectance
Physical property of allowing light
selectively absorb different frequencies (or portions of the spectrum) of infrared light. Reflection and transmission of light waves occur because the frequencies
Transparency_and_translucency
Range of ideas tolerated in public discourse
vertical axis to avoid comparison with the left-right political spectrum. As the spectrum moves or expands, an idea at a given location on the scale may
Overton_window
Idealized physical body that absorbs all incident electromagnetic radiation
radiation is emitted according to Planck's law, meaning that it has a spectrum that is determined by the temperature alone (see figure at right), not
Black_body
Optical component which splits light into several beams
set to zero), in which a ray of light behaves according to the laws of reflection (like a mirror) and refraction (like a lens), respectively. An idealized
Diffraction_grating
Main-belt asteroid
group comprised the remnants of a destroyed precursor body. Ida's reflection spectrum was measured on 16 September 1980 by astronomers David J. Tholen
243_Ida
Periodic comet
of 1.0–1.3 km (0.62–0.81 mi) assuming an albedo of 0.04–0.07. The reflection spectrum is similar to that of a B-type asteroid when the comet is near perihelion
249P/LINEAR
Japanese animation studio
Animated Series) praised Spectrum's animation. "We wanted to keep the show heavy on the mist, the rain. I wanted reflections, mist, gentle rain to play
Spectrum_Animation
Quasar in the constellation of Cepheus
Ricci, Claudio; Stern, Daniel; Zhang, W. W. (2017-05-26). "The X-Ray Reflection Spectrum of the Radio-loud Quasar 4C 74.26". The Astrophysical Journal. 841
4C_+74.26
Einstein's theory are possible with the thermal spectrum (only for black hole binaries) and the reflection spectrum (for both black hole binaries and active
Tests_of_general_relativity
Measurement of electromagnetic radiation for astronomy
study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, ultraviolet, X-ray
Astronomical_spectroscopy
American video game developer and publisher
Spectrum HoloByte, Inc. (later known as MicroProse Alameda) was an American video game developer and publisher. The company, founded in 1983, was known
Spectrum_HoloByte
Mental state of a reduced perception of self-awareness
is seeing the tree does not require an act of reflection.[citation needed] In the schizophrenia spectrum disorders, the minimal self and the self-world
Self-disorder
Body of interstellar clouds
of spectrum analysis. Longmans, Green, and Co. pp. 84–85. Retrieved 2009-10-31. Struve, Otto (1937). "Recent Progress in the Study of Reflection Nebulae"
Nebula
Branch of spectroscopy
electromagnetic spectroscopy concerned with the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.
Spectrophotometry
Type of microscope with electrons as a source of illumination
This technique is typically coupled with reflection high-energy electron diffraction (RHEED) and reflection high-energy loss spectroscopy (RHELS). Another
Electron_microscope
Study of plants grown in spacecraft
detected through analysis of planetshine on the Moon, which can show a reflection spectrum that spikes at 700 nm. In an article published in Nature in 1990
Astrobotany
Material which alters light reflection or transmission on optics
More complex optical coatings exhibit high reflection over some range of wavelengths, and anti-reflection over another range, allowing the production
Optical_coating
Transparent optical element with flat, polished surfaces that refract light
this does not reduce reflection, it suppresses Fabry-Pérot interferences that would otherwise modulate their transmission spectrum. Anamorphic pair of
Prism_(optics)
The semantic spectrum, sometimes referred to as the ontology spectrum, the smart data continuum, or semantic precision, is in linguistics, a series of
Semantic_spectrum
Measurement of infrared radiation's interaction with matter
interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or functional groups
Infrared_spectroscopy
Lack of or little sexual attraction to others
sub-identities called the ace spectrum. The term ace is often used colloquially to describe those who are asexual or part of the ace spectrum. Asexuality is distinct
Asexuality
Spectral lines in the Sun's spectrum
absorption lines. They are dark absorption lines, seen in the optical spectrum of the Sun, and are formed when atoms in the solar atmosphere absorb light
Fraunhofer_lines
Form of electromagnetic radiation
it is light below red on the spectrum. An earlier experiment in 1790 by Marc-Auguste Pictet demonstrated the reflection and focusing of radiant heat via
Infrared
corresponds to the applied pressure and is determined by the spectrum of the reflection of the light of the sensor. This pressure value is subsequently
Wafer_bond_characterization
Paul L. Copeland & Edward Piotrowski c-14m October 2, 1961 Video Light: Reflection Paul L. Copeland & Edward Piotrowski c-13m November 16, 1961 Light: Refraction
List_of_Coronet_Films_films
Measurement of electromagnetic radiation
Solar irradiance spectrum above atmosphere and at surface
Solar_irradiance
1810 book by Johann Wolfgang von Goethe
spectrum. When these edges overlap in a light spectrum, green results; when they overlap in a dark spectrum, magenta results. With a light spectrum (i
Theory_of_Colours
Russian author (born 1968)
Dragons Dances on the Snow Spectrum Competitors QuaZi A Lord from Planet Earth Island Russia Line of Delirium Labyrinth of Reflections Genome Knights of Forty
Sergei_Lukyanenko
Electromagnetic radiation humans can see
that can be perceived by the human eye. Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometers
Light
Device used to disperse light
optical interfaces; some of them combine refraction with total internal reflection. Light changes speed as it moves from one medium to another (for example
Dispersive_prism
Measurement of atomic transition frequency
solution is for them to come from the same laser. The probe beam can be a reflection of the pump beam passed through a neutral density filter to reduce its
Saturated absorption spectroscopy
Saturated_absorption_spectroscopy
Australian progressive rock band
com. Retrieved 12 October 2021. Spectrum; Wilson, Ross; Rudd, Mike; Murtceps (1991), Ghosts : post-terminal reflection, Raven Records, retrieved 23 July
Spectrum_(Australian_band)
Instrument that makes distant objects appear magnified
device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally, it was an optical instrument
Telescope
The ZX Spectrum's software library was very diverse. While the majority of the software produced for the system was video games, others included programming
ZX_Spectrum_software
Color reproduction capability
value of 1 (100%). If the reflectance spectrum of a color is 0 (0%) or 1 (100%) across the entire visible spectrum, and it has no more than two transitions
Gamut
Electromagnetic radiation generated by the thermal motion of particles
radiation as well as the direction of the reflection. Therefore, the reflected rays of a radiation spectrum incident on a real surface in a specified
Thermal_radiation
Technique to study materials that have unpaired electrons
into a spectrum. The upper spectrum below is the simulated absorption for a system of free electrons in a varying magnetic field. The lower spectrum is the
Electron paramagnetic resonance
Electron_paramagnetic_resonance
Obsolete diagnostic class of autism
interests. It ceased to be a distinct diagnosis when it was merged into autism spectrum disorder (ASD) in the DSM-5 (2013) and ICD-11 (2022). Previously, it had
Asperger_syndrome
Optical prism used to rotate an image by 180°
internal reflection, followed by a second reflection on the bottom surface to direct the beam into the second Schmidt prism. This second reflection in the
Schmidt–Pechan_prism
Ecological metric
actuality, however, plants do not absorb all incoming sunlight (due to reflection, respiration requirements of photosynthesis and the need for optimal solar
Photosynthetic_efficiency
multiplies the power of forces. That is why the use of radio frequencies’ spectrum is evaluated as one of the preliminary conditions for successful military
Military_spectrum_management
Parliamentarian who neither holds ministerial office nor shadows a minister
Part of the politics series Party politics Political spectrum Left–right spectrum Far-left Left-wing Centre-left Third way centre Centre Radical centre
Backbencher
Refinement of ray tracing that allows for the rendering of "soft" phenomena
blurry reflections and transmissions can be rendered by distributing reflection and transmission rays over a solid angle about the mirror reflection or transmission
Distributed_ray_tracing
Surface waves generated by wind on open water
by the sea wave spectrum or just wave spectrum S(ω,Θ). It is composed of a wave height spectrum (WHS) S(ω) and a wave direction spectrum (WDS) f(Θ). Many
Wind_wave
1378–82 labourer revolt in Florence, Italy
identified by the presence of a family name. On the other side of the spectrum were the popolo minuto, or the labouring classes of Florence, which also
Ciompi_Revolt
Politically motivated accusations of antisemitism
and control, and as a rhetorical device employed across the political spectrum to delegitimize Jewish concerns about antisemitism, especially in anti-Zionist
Weaponization_of_antisemitism
Self-centered personality style
the Greek mythological figure Narcissus who fell in love with his own reflection, narcissism has evolved into a psychological concept studied extensively
Narcissism
left deep scars. The Pope's words, awaited by many, marked a moment of reflection and hope in the process of reconciliation and healing between the Church
Racism_in_Quebec
Netmarble Neo Netmarble TBA Blue Prince Dogubomb Raw Fury March 3, 2026 Blue Reflection Quartet Gust Koei Tecmo July 30, 2026 Bluey's Happy Snaps Gameloft Gameloft
List of Nintendo Switch 2 games
List_of_Nintendo_Switch_2_games
Tiling hobbyist
tiled with its reflection. However, Smith had discovered that it would produce an aperiodic pattern when tiled without its reflection. The team worked
David Smith (amateur mathematician)
David_Smith_(amateur_mathematician)
Far-right political group of the European Parliament
group in the European Parliament sitting on the far-right of the political spectrum, formed on 10 July 2024 as the smallest group ahead of the 10th European
Europe of Sovereign Nations Group
Europe_of_Sovereign_Nations_Group
Platform game
Shadow of the Beast is a platform game developed by Reflections and published in 1989 by Psygnosis for the Amiga. It was ported to several other systems
Shadow of the Beast (1989 video game)
Shadow_of_the_Beast_(1989_video_game)
Outgoing spherical wave as a linear combination of plane waves
physics, the Weyl expansion, also known as the Weyl identity or angular spectrum expansion, expresses an outgoing spherical wave as a linear combination
Weyl_expansion
Airy disk Albedo Alexander's band Alpenglow Angle of incidence Angle of reflection Angular magnification Anti-reflective coating Arago spot Asterism (astronomy)
Index_of_optics_articles
On distances between points on a circle
study of plant growth and musical tuning systems, and the theory of light reflection within a mirrored square. The three-gap theorem can be stated geometrically
Three-gap_theorem
Reflection which reverses the direction of a wave, particle, or signal
backscattering) is the reflection of waves, particles, or signals back to the direction from which they came. It is usually a diffuse reflection due to scattering
Backscatter
3D imaging technique
concerns itself only with Lambertian surfaces, with perfectly diffuse reflection. This is unrealistic for many types of materials, especially metals, glass
Photometric_stereo
Fictional character in The Big Bang Theory and Young Sheldon
viewers have asserted that Sheldon's personality is consistent with autism spectrum disorder (or what used to be classified as Asperger's syndrome). Co-creator
Sheldon_Cooper
source. The Saha equation links the composition and appearance of the spectrum with the temperature of the light source and can thus be used to determine
List of atheists in science and technology
List_of_atheists_in_science_and_technology
Optoelectronics component
suppressed further with anti-reflection coatings. The formation of resonator modes and thus pronounced structures in the optical spectrum and/or to spectral narrowing
Superluminescent_diode
infantile autism were reunified into a single diagnostic category, autism spectrum disorder (ASD). Autistic individuals often struggle with understanding
History_of_autism
Term used in psychology
activity (e.g., It's okay. You can do it!) Emotional following: Mother's reflection, extension or elaboration upon child's distress or preoccupation (e.g
Co-regulation
band. In-band full-duplex performs the same function using half of the spectrum resources. A time division duplexing (TDD) system operates half-duplex
Self-interference cancellation
Self-interference_cancellation
Television station in Baltimore
Baltimore stations, WHFS (105.7 FM) and WJFK (1300 AM), to WJZ-FM and WJZ in reflection of their connection to WJZ-TV; the changes coincided with the move of
WJZ-TV
Pair of equations describing black holes
{\displaystyle V^{\pm }} is always positive and the problem is one of reflection and transmission of waves incident from r ∗ → ∞ {\displaystyle r_{*}\rightarrow
Regge–Wheeler–Zerilli equations
Regge–Wheeler–Zerilli_equations
Measurement technique
coherence length is the emission spectrum. In Figure 4, you can see the spectral density function for a Gaussian spectrum, which is, for example, a good
White_light_interferometry
Movement demanding sanctions against Israel
unrepresentative, unprincipled, and visionless Palestinian 'leadership.' The entire spectrum of Zionist parties in Israel and their supporters in the West, with few
Boycott, Divestment and Sanctions
Boycott,_Divestment_and_Sanctions
Description of opera's historical development in the USA
April 22, 1767, explained that the play contained too many "personal reflections" that made it "unfit for the stage." In plain terms, it was a biting
Opera_in_the_United_States
Indian actor (b. 1944)
March 2011. "The stage is set...". The Hindu. 4 August 2005. "A stage of reflection". The Hindu. 11 October 2012. ISSN 0971-751X. Retrieved 28 July 2025.
Kulbhushan_Kharbanda
Physical model of propagating energy
carries momentum and radiant energy through space. It encompasses a broad spectrum, classified by frequency (inversely proportional to wavelength), ranging
Electromagnetic_radiation
Instrument to measure the properties of visible light
measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. The variable
Optical_spectrometer
Office building in Bristol, England
Spectrum is a five-storey modern office building in Bristol, England, designed by BGP Group Architects and completed in 1984. Located on Bond Street near
Spectrum,_Bristol
Electromagnetic radiation with wavelengths from 1 m to 1 mm
electromagnetic spectrum with frequency above ordinary radio waves, and below infrared light: In descriptions of the electromagnetic spectrum, some sources
Microwave
Diode that emits light from an organic compound
on brightness, black levels, and reflection-free performance The system includes features to reduce surface reflection in bright environments. Intertek
OLED
Root-finding algorithm
transform, clipping, lighting, and shading to compute angles of incidence and reflection. Programs such as Quake III: Arena must perform a large number of these
Fast_inverse_square_root
Skin product helping to prevent sunburn
ingredients. These ingredients primarily work by absorbing UV rays, with some reflection and scattering of UV radiation also occurring. Chemical sunscreens (also
Sunscreen
Study involving matter and electromagnetic radiation
entire electromagnetic spectrum. Although color is involved in spectroscopy, it is not equivalent to the absorption and reflection of certain electromagnetic
Spectroscopy
Quantum optical theoretical system
through global atom-field interactions is one solution. By observing the reflection amplitude of field waves between the SQUID array and the DQDs, the team
Tavis–Cummings_model
General review of religious attitudes towards evolution
This article is written like a personal reflection, personal essay, or argumentative essay that states a Wikipedia editor's personal feelings or presents
Acceptance of evolution by religious groups
Acceptance_of_evolution_by_religious_groups
Country in Southeastern Europe and West Asia
to an electoral threshold. On the right side of the Turkish political spectrum, parties like the Democrat Party, Justice Party, Motherland Party, and
Turkey
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