Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environme...........

Science Affairs Physics

Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury used in manufacture of these lamps?

A mercury coating on the inside of the lamp makes the light bright white.

When the lamp is switched on, the mercury in the lamp causes the emission of ultra-violet radiations.

When the lamp is switched on, it is the mercury which converts the ultra-violet energy into invisible light.

None of the above statements give above are correct.

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Explanation:

When the lamp is switched on, the mercury in the lamp causes the emission of ultra-violet radiations. This is the reason that mercury is used to manufacture of these lamps.