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प्रश्न
How does the spectrum of light emitted from rarefied gases appear?
विकल्प
As a series of bright lines
As alpha-rays and beta-rays
As uniformly distributed positive charge
As a continuous distribution of wavelengths
MCQ
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उत्तर
Light from rarefied gases has only certain discrete wavelengths. These wavelengths appear in its spectrum as a series of bright lines.
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