You asked: Is mercury lamp a line source?

Is mercury lamp a UV source?

Risks/Benefits. Under normal operating conditions mercury vapor lamps provide efficient, long-lasting sources of light. However, if the outer bulb breaks, and the inner tube continues to produce unshielded light, intense UV radiation is emitted.

What is difference between mercury source and laser source?

The high pressure mercury arc lamp is a common, relatively inexpensive source of fluorescence excitation light. … The commonly used argon-ion laser may have an output power of several watts, but only emits distinct spectral lines over a narrow range and will not optimally excite some of the commonly used stains.

Is mercury Vapour lamp monochromatic?

Filaments of the lamp sputter fast moving electrons, which hit the sodium atoms (vapour) causing the valence electrons of the sodium atoms to excite to higher energy levels and the electrons thus excited relax by emitting the characteristic monochromatic bright yellow light (589nm).

Why do we use mercury lamps?

Mercury is used in a variety of light bulbs. Mercury is useful in lighting because it contributes to the bulbs’ efficient operation and life expectancy. Fluorescent and other mercury-added bulbs are generally more energy efficient and last longer than incandescent and other equivalent forms of lighting.

Do all mercury vapor bulbs produce UVB?

Mercury vapor & metal halide bulbs

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Mercury vapor and metal halide bulbs are unique because they produce heat, visible light, UVA, and UVB all in one bulb. This also makes them very appealing to most reptile keepers at first glance.

Will mercury lamp emission mercury in fumes?

Manufacturers of fluorescent lighting products are working to reduce the amount of mercury content in CFLs. No mercury is released when the bulbs are intact (i.e., not broken) or in use, but mercury vapor and very small beads of mercury can be released when a CFL is broken.

Which are the bulb contains mercury Vapour?

Mercury-containing light bulbs include: fluorescent bulbs, including compact fluorescent light bulbs (CFLs); high intensity discharge (HID) bulbs, which include mercury vapor bulbs, metal halide and high-pressure sodium bulbs, and are used for streetlights, floodlights, parking lots, and industrial lighting; and.