Which risk increases when transmitting a high-power laser beam through atmospheric turbulence?

💡 Explanation

Atmospheric turbulence causes unpredictable variations in the refractive index, leading to variations in the optical path of the laser; this results in **constructive and destructive interference**. Therefore, speckle pattern intensity rises because coherence properties alter randomly, rather than efficiency decreasing, which happens due to separate thermal constraints.

• Within a hydrogen fuel cell, which outcome prematurely halts electricity production?
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