Which of the following is used in flash tubes in photography ?A. NeB. – InterviewSolution

1.	Which of the following is used in flash tubes in photography ?A. NeB. KrC. ArD. Xe.
Answer» Correct Answer - B::D Xe and Kr are used in flash tubes for high speed photography. These have now completely replaced the old flash bulbs using Mg ribbon or Al powder which could only be used once.

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