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Condo vs. Duplex: What's the Difference?

Edited by Aimie Carlson || By Harlon Moss || Published on June 19, 2024
A continuous spectrum contains all wavelengths without interruption, seen in white light dispersion, while a bright line spectrum displays specific wavelengths, characteristic of gaseous elements.

Key Differences

A continuous spectrum is produced when light is dispersed into a seamless range of colors, with no gaps between wavelengths. This type of spectrum is typical of light emitted by a solid, liquid, or densely packed gas heated to high temperatures. On the other hand, a bright line spectrum, also known as an emission spectrum, consists of distinct bright lines on a dark background, each corresponding to a specific wavelength. This is observed when atoms of an element in a gaseous state are excited and then emit light as they return to a lower energy state.
Continuous spectra reveal the broad energy distribution of a light source, offering insights into its temperature and composition. In contrast, bright line spectra serve as fingerprints for elements, allowing scientists to identify the specific elements present in a light source. For example, the Sun's light, when dispersed, shows a continuous spectrum overlaid by dark absorption lines, indicating the elements in the solar atmosphere.
The production of a continuous spectrum requires a broad range of energies, as it reflects the light emission over a continuous range of frequencies. Whereas, the production of a bright line spectrum is the result of electrons in atoms jumping between specific energy levels, releasing photons of particular wavelengths.
In observational astronomy, continuous spectra are used to study the properties of stars and galaxies, such as their temperature and overall composition. Bright line spectra, however, are pivotal in identifying the chemical composition of astronomical objects and the physical conditions of celestial gas clouds.

Comparison Chart

Nature of Spectrum

Uninterrupted range of colors
Discrete bright lines on a dark background


Heated solid, liquid, or dense gas
Excited atoms of an element in a gaseous state

Information Provided

Temperature and broad composition
Specific elements present

Production Mechanism

Broad energy distribution
Electrons jumping between specific energy levels


Studying properties of stars and galaxies
Identifying chemical composition of celestial objects

Condo and Duplex Definitions


A spectrum showing a seamless transition across a wide range of wavelengths.
A rainbow displays a continuous spectrum of sunlight.


A spectrum consisting of distinct lines of color against a dark background.
Hydrogen gas in a tube emits a bright line spectrum when electrified.


Observed from dense objects emitting light at high temperatures.
A piece of hot metal in a forge emits a continuous spectrum.


Each line corresponds to a specific wavelength emitted by an atom.
The bright red line in hydrogen's spectrum is due to a specific electron transition.


Produced when light passes through a prism, spreading into all visible colors.
Prism experiments in physics classes often demonstrate a continuous spectrum.


Acts as a unique identifier for elements.
Chemists use the bright line spectrum to determine the presence of elements in unknown samples.


Indicates the emission of light across all visible wavelengths.
The glowing filament of an incandescent bulb generates a continuous spectrum.


Generated by electrons moving between energy levels in an atom.
When electrons in neon gas fall back to lower energy levels, they emit a bright line spectrum.


Represents the full blend of colors without any gaps.
The continuous spectrum is like a complete paint palette of light.


Twofold; double.


A condominium.


Having two apartments, divisions, or floors.


Clipping of condominium


Relating to or being a single assembly of machinery having two identical units that are capable of operating simultaneously or independently.


One of the units in a condominium.


(Electronics) Of or relating to a communications mode, as in a telephone system, that provides simultaneous transmission and reception in both directions.


One of the dwelling units in a condominium


A house divided into two living units or residences, usually having separate entrances.


A duplex apartment.


Something, such as a communications system, that is duplex.


Double, made up of two parts.


(architecture) Having two floors


(architecture) Having two units, divisions, suites, apartments


(telecommunications) Bidirectional in two directions.
Duplex telegraphy


(soil science) Having horizons with contrasting textures.


A house made up of two dwelling units.


(US) A dwelling unit with two floors


(philately) A cancellation combining a numerical cancellation with a second mark showing time, date, and place of posting.


(juggling) A throwing motion where two balls are thrown with one hand at the same time.


(biochemistry) A double-stranded polynucleotide.


(geology) A system of multiple thrust faults bounded above and below by a roof thrust and floor thrust.


To make duplex.


To make into a duplex.


To make a series of duplex throws.


Double; twofold.


Organized so that data may be transmitted in two opposite directions over the same channel; - of communications channels, such as data transfer lines between computers.


To arrange, as a telegraph line, so that two messages may be transmitted simultaneously; to equip with a duplex telegraphic outfit.


Something which is duplex; - used mostly in reference to a living unit, such as an apartment, in a building having two similar living units.


A double-stranded region in a nucleic acid molecule. See deoxyribonucleic acid.


A house with two units sharing a common wall


An apartment having rooms on two floors that are connected by a staircase


(used technically of a device or process) having two parts;
A duplex transaction


Allowing communication in opposite directions simultaneously;
Duplex system
Duplex telephony


Used in astronomical spectroscopy to identify elements in stars.
Astronomers identified helium in the Sun through its bright line spectrum before it was found on Earth.


What information can be derived from a continuous spectrum?

A continuous spectrum can provide insights into the temperature and overall composition of the light source.

How do bright line spectra help identify elements?

Bright line spectra act as fingerprints for elements, allowing for the identification of specific elements present in a light source.

What is a continuous spectrum?

A continuous spectrum displays all wavelengths of light without interruption, typical of a heated solid or dense gas.

Can a continuous spectrum have any lines?

A pure continuous spectrum doesn't have lines; however, the continuous spectrum of stars often has absorption lines due to elements in the stellar atmosphere.

What is a bright line spectrum?

A bright line spectrum consists of distinct, bright lines on a dark background, each representing a specific wavelength emitted by an excited atom.

What role do bright line spectra play in astronomy?

Bright line spectra are crucial in astronomy for identifying the chemical composition of celestial objects and understanding the physical conditions of gas clouds.

What causes the distinct lines in a bright line spectrum?

The distinct lines are caused by photons emitted when electrons in an atom transition between specific energy levels.

How are continuous and bright line spectra produced?

Continuous spectra are produced by the broad energy distribution of a dense, heated object, while bright line spectra result from electrons in atoms jumping between specific energy levels.

Why do stars show a continuous spectrum?

Stars show a continuous spectrum because they are dense, hot objects emitting light across a broad range of wavelengths.

What does a continuous spectrum look like?

It looks like a complete rainbow of colors without any gaps, from violet to red.

Can all elements produce a bright line spectrum?

Yes, all elements can produce a bright line spectrum when their atoms are excited and emit light.

How does the emission of a continuous spectrum differ from a bright line spectrum?

The emission of a continuous spectrum is due to a wide range of energies being emitted by a dense object, while a bright line spectrum is due to specific energy transitions within atoms.

What is the significance of the bright line spectrum in chemistry?

It's used for elemental analysis and identifying substances in samples through their spectral lines.

How does the temperature of a light source affect its spectrum?

The temperature affects the distribution and intensity of the spectrum; higher temperatures typically result in a broader continuous spectrum.

What instruments are used to analyze these spectra?

Spectroscopes and spectrometers are used to disperse light into its spectrum and analyze it.

Are continuous spectra common in everyday life?

Yes, examples include sunlight dispersed by raindrops to form rainbows, and light from incandescent bulbs.

Is the bright line spectrum the same for all gases?

No, each element has a unique bright line spectrum, serving as a spectral fingerprint.

How does pressure affect the type of spectrum produced?

Higher pressures can broaden spectral lines and may lead to a more continuous spectrum, especially in dense gases or solids.

Can a continuous spectrum be used to identify elements?

Not directly, as it lacks specific wavelength features; however, it can hint at overall composition and temperature.

How do scientists use spectra in environmental studies?

Scientists use spectra to monitor air and water quality, detecting pollutants through their characteristic spectra.
About Author
Written by
Harlon Moss
Harlon is a seasoned quality moderator and accomplished content writer for Difference Wiki. An alumnus of the prestigious University of California, he earned his degree in Computer Science. Leveraging his academic background, Harlon brings a meticulous and informed perspective to his work, ensuring content accuracy and excellence.
Edited by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.

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