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Active center in the ruby laser system is
C r 3 + i o n s
C r + i o n s
O 2 + i o n s
O + i o n s
Cr 3+ ions
Quick Summary: Practice and solve "Active center in the ruby laser system is..." for Electrical - Electrical Materials. The correct answer is Option A: Cr 3+ ions. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **