Question

The mercury and sodium street lamps light up because of ?

Answer 1

The mercury and sodium street lamps light up because of Atomic emission

Answer 2

The Mercury and Sodium Street lamps lights up because of its Atomic Emission.

Explanation:

• When a lamp of Mercury or Sodium vapor is turned on, the filaments in those lamps glow because of the fast-moving electrons.

• These electrons produces by the electricity will strike the vapour atoms of Sodium and Mercury atoms.

• After the electrons in electricity strikes the Sodium or Mercury atoms, which will be in the vapour state, the atoms will get emitted and the lamp will glow.

• The Sodium vapour lamp produces a yellowish-orange colour light whereas the Mercury vapour lamp produces a blue colour light.

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