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Question
Which source is associated with a line emission spectrum?
Which source is associated with a line emission spectrum?
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Solution
The correct option is B Neon street sign
In line emission spectrum, every line spectrum consists of a few isolated bright lines, each bright line corresponds to a particular wavelength. It is emitted by atoms in the gaseous state.
Example - A sodium discharge lamp, a mercury vapour lamp, a neon discharge tube and a helium discharge tube.
Hence, option (B) is the correct answer.
In line emission spectrum, every line spectrum consists of a few isolated bright lines, each bright line corresponds to a particular wavelength. It is emitted by atoms in the gaseous state.
Example - A sodium discharge lamp, a mercury vapour lamp, a neon discharge tube and a helium discharge tube.
Hence, option (B) is the correct answer.
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