Q. What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?
A) 43 attoseconds
B) 39 nanoseconds
C) 57 microseconds
D) 15 picoseconds
✔ Correct Answer: 43 attoseconds
Exam Insight
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A) 43 attoseconds
B) 39 nanoseconds
C) 57 microseconds
D) 15 picoseconds
✔ Correct Answer: 43 attoseconds
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