What is the power emitted by the helium-neon laser in the problem? - DUAL NATURE OF MATTER AND RADIATION Quiz | GKFix.in

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Question

What is the power emitted by the helium-neon laser in the problem?

A. 5.0 mW
B. 7.2 mW
C. 9.42 mW
D. 10.0 mW