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In air a light source emits a wavelength of 630nm under water what will the wavelength of light be?
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What is monochromatic source?
A monochromatic source is a source of light of a discrete wavelength. White light is a mixture photons with wavlengths from 390 to 750 nm (what the human eye can detect). The monochrmatic light will have a specific wavelength. For example all photons have wavelength 200 nm.
Light is a wave that carries energy a light source emits a countless number of?
photons
How does light emit?
Gases emits light. When an electric current is passed through a gas, the gas emits light. For ex. Fluorescent lamps, neon lamps. In case of sun, most of the photons are released from the surface of the sun with wavelength 400 and 700nm, so we are able to see light that the sun emits.
What does the term blue shift refer to?
It refers to an increase in frequency (and decrease in wavelength) of light or other electromagnetic waves, if the object that emits the waves is moving towards us. The opposite is REDSHIFT, which happens when the object moves away from us.
How a beam of laser light is different than the beam of light produced by a flashlight?
It does depend on the kind of laser, but the main difference is that a laser emits a focused beam of light of the same wavelength (i.e. color) while a flashlight emits light of many different wavelengths, and 'beams' this light by reflecting it using a concave mirror built into it behind/around the bulb.
Is the light from an incandescent lamp monochromatic?
No, an incandescent bulb i.e. a bulb that emits light by the generation of heat, emits white light and is therefore not monochromatic. For a source to be monochromatic, the light emitted must be of a single wavelength.
A helium neon laser emits light of wavelength 633 nm Light from an argon laser has a wavelength of 515 nm Which laser emits the higher frequency light?
according to the wave theory of light,we have the relation that wavelength is inversely proportional to the frequency,therefore the electromagnetic wave with the lower wavelength will have higher frequency..
Why is the statement the color of an object depends on the wavelengths of light it absords inaccurate?
...because the colour of an object depends on the wavelength of light it reflects, or the wavelength of light it emits.
Why primary fluor and secondary fluor are when it is a latter that emits light at the best wavelength?
pta ni
How do colors tell you about the temperature of a star?
The colder a star is the longer the light waves it emits. Light wavelength is what we perceive as color.
What is monochromatic source?
A monochromatic source is a source of light of a discrete wavelength. White light is a mixture photons with wavlengths from 390 to 750 nm (what the human eye can detect). The monochrmatic light will have a specific wavelength. For example all photons have wavelength 200 nm.
Light is a wave that carries energy a light source emits a countless number of?
photons
How does light emit?
Gases emits light. When an electric current is passed through a gas, the gas emits light. For ex. Fluorescent lamps, neon lamps. In case of sun, most of the photons are released from the surface of the sun with wavelength 400 and 700nm, so we are able to see light that the sun emits.
What is blueshift?
A blueshift is a change in the wavelength of light, in which the wavelength is shorter than it was when it was emitted at the source.
A fluorescent light source emits light as a result of high temperature?
false
What is the relationship between wavelengths and temperature?
There is a relationship between the temperature of an object and the wavelength at which the object produces the most light. When an object is hot, it emits more light at short wavelengths while an object emits more light at long wavelengths when it is cold. The amount of radiation emitted by an object at each wavelength depends on its temperature.
Is monochromatic light is a ultra violet light?
Monochromatic light is light of one wavelength. E.g. A red laser has one single wavelength and is therefore categorised as 'monochromatic light'. A standard light bulb emits light of many different wavelengths across the visible spectrum and therefore is not 'monochromatic light'.
