Continuous Spectrum
In short, a spectrometer utilises a wide range of wavelengths from the electromagnetic spectrum whereas a spectrophotometer utilises only a small section of the electromagnetic spectrum (usually only near-visible light....we usually use U.V). Apart from that, the two are actually extremely similar.
If all colors of light are mixed, the light becomes white, hence white light. Most lights used to light buildings are not exactly white since they only contain certain wavelengths of light in the spectrum.
The entire visible light spectrum produces heat. Because infrared is very efficient at heating opaque objects (objects that are not transparent or translucent) you feel it more.
The atoms of glowing gas emit the wavelength of radiations which lie in its spectrum. The same wavelength it can absorb because these are suitable for excitation pass through th gas
White surface reflects all wavelengths of visible light spectrum (ie. white color is a mixture of all the other colors). If the light that falls on the surface has one specific wavelength, only that wavelength occurs in the light reflected.
You can use spectra to estimate the temperature of the star: astronomical thermometer
In a continuous spectrum, you see every color in visible light from wavelengths around 380 nm to 780 nm. The bright light spectrum has only light at specific wavelengths, forming narrow regions of lights. This is characteristic of a particular substance, emitting these lights from its unique electron configuration. Light at specific wavelengths is emitted for different substances, but not a continuous rainbow.
Only their wavelengths are different.
A spectrum that contains only certain colors, or wavelengths, is called a line spectrum. For every element, the emitted light contains only certain wavelentghs, giving each element a unique line spectrum. They exist for atomic fingerprinting, which is useful in identifying elements. They are also used in sodium-vapor lmaps, which are widely used for street lighting. They are also used in "neon" lights.
The wavelengths which comprise visible light.
light emitted from excited atoms occurs only at specific wavelengths
The human eye can only detect electromagnetic radiation in the visible spectrum, Typically, wavelengths of 390 to 750 nm fall within the visible spectrum. Radiation with these wavelengths are called visible light or simply light.
Yes, it is true.
In the full spectrum, humans can only see 3% of the rays. Other animals can say more, some scientists predict cats see 20% of the spectrum.
The sun has 3 layers - the photosphere, the chromosphere, the corona. Photosphere is the visible surface and gives the absorption spectrum. Chromosphere is the pinkish discharge encircling the Sun, visible only during a total eclipse. This gives the emission spectrum. Corona is the halo encircling the chromosphere. THis gives the coronal spectrum.
In short, a spectrometer utilises a wide range of wavelengths from the electromagnetic spectrum whereas a spectrophotometer utilises only a small section of the electromagnetic spectrum (usually only near-visible light....we usually use U.V). Apart from that, the two are actually extremely similar.
Anything that can reflect light is only visible to an eye... others which cannot are dark..