Pick out the incorrect statement from the following.

Mercury vapour lamp produces line emission spectrum

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Oil flame produces line emission spectrum

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Band spectrum helps us to study molecular structure

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Sunlight spectrum is an example for the absorption spectrum

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Solution

The correct option is B Oil flame produces line emission spectrum
Mercury vapour lamp produces a line emission spectrum.
Oil flame produces a continuous emission spectrum.
The nature of band spectrum helps to identify the nature of atoms present in a particular molecule. Hence it is used to study molecular structure.

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Similar questions

Which one of the following statements about the line emission spectrum for atomic hydrogen is incorrect?

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

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