Is Mercury Vapour lamp monochromatic?

What is the colour of mercury Vapour lamp?

Sodium vapor and mercury vapor lamps emit yellow and bright blue light, respectively. They are very efficient, and provide high-intensity light suitable for illuminating large, open areas.

Is fluorescent light monochromatic?

As you can see from the plots of spectra of different fluorescent lamps as given here, you can definitely say: yes, it’s certainly polychromatic.

Is sodium lamp a monochromatic source?

A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. … Low-pressure sodium lamps only give monochromatic yellow light and so inhibit color vision at night.

Which of following gives monochromatic light?

d A laser . EXPLANATION: The candle bulb and mercury tube give lights of a mixture of wavelengths. In a laser the same wavelength of light is processed and amplified.

Which type of vapour is stored in mercury lamp?

The bulbs have an inner quartz tube containing the mercury vapor discharge. This is enclosed by an outer glass bulb that filters out harmful short-wavelength ultraviolet (UV) radiation. There are two types of mercury vapor light bulbs sold in the U.S.

What spectrum is fluorescent light?

Fluorescent light is on what is called an emissions spectrum. This means that its wavelengths are punctuated by lines. An incandescent bulb is on what’s called a continuous spectrum.

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Is sodium light monochromatic or polychromatic?

Human Eye and Colourful World

(a) The light having a single wavelength or single colour is called monochromatic light. For example, the yellow light of sodium lamp is almost monochromatic. (b) The light that consists of many wavelengths or many colours is called polychromatic light.

What is the example of monochromatic light?

The best example of monochromatic light is a laser beam. A laser light results from one atomic transition with a specific single wavelength, which results in a monochromatic light beam.