The source that gives line emission spectrum when subjected to dispersion is

Molten iron

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Sun

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Mercury vapour

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Candle flame

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Solution

The correct option is D Mercury vapour
A mercury-vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light and when subjected to dispersion gives line emission spectrum.

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Similar questions

Type I	Type II
a) Continuous emission spectrum	e) Tungsten filament of bulb
b) Line emission spectrum	f) $C O_{2}$ gas
c) Band emission spectrum	g) Sodium vapour lamp
d) Line absorption spectrum	h) chromosphere of sun

The emission line spectrum of atomic hydrogen arises from the energies given out when

{Li}^{2 +}

2^{n d}

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