Bright light is found to emit from photographers flashgun. This brightness is due to the presence of which one of the following noble gases?

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Q: 28 (CDS-I/2018)
Bright light is found to emit from photographer’s flashgun. This brightness is due to the presence of which one of the following noble gases?
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,23,59,19,23,28,12

keywords: 

{'noble gases': [0, 0, 1, 1], 'helium': [0, 0, 1, 0], 'neon': [1, 0, 1, 3], 'bright light': [0, 0, 0, 1], 'flashgun': [0, 0, 0, 1], 'brightness': [0, 0, 0, 1], 'argon': [2, 0, 3, 6], 'xenon': [0, 0, 1, 1]}