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Which source is associated with a line emission spectrum?(a) Electric fire(b) Neon street sign(c) Red traffic light(d) SunThis question was posed to me by my college director while I was bunking the class.Asked question is from Atomic Spectra in chapter Atoms of Physics – Class 12 |
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Answer» RIGHT option is (b) Neon street sign The explanation: Neon street sign GIVES a LINE emission spectrum. When neon atoms gain enough ENERGY to become excited, light is produced. Atom releases a PHOTON when it returns to a lower energy state. Therefore, the source associated with a line emission spectrum is the neon street sign. |
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