Indiscriminate disposal of used fluorescent electric lamps c

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M: +2.00/-0.67

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

[UPSC CSE Prelims 2010]

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 visible light

None of the statement given above is correct about the use of mercury in the manufacture of fluorescent lamps