cse • paper_1 • waves_oscillations
[UPSC CSE 2017] Polarisation and Modern Optics (Q361, 15M)
How is laser light different from ordinary light? Discuss the working principle of ruby laser. What role do chromium ions play in this process?
How is laser light different from ordinary light? Discuss the working principle of ruby laser. What role do chromium ions play in this process?
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