The mixture of gases used in a photographer's flash tube is?
A
argon and krypton
B
krypton and xenon
C
helium and argon
D
argon and xenon
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
krypton and xenon for high-speed pictures in a photographer's flash tube
Source: WAEC / JAMB / NECO Classroom Archive (Record #4301)