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To find the distance d over which a signal can be seen clearly in foggy conditions, a railways engineer uses dimensional analysis and assumes that the distance depends on the mass density of the fog, intensity (power/area) s of the light from the signal and its frequency f. The engineer finds that disproportionalto . The value of n is .
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Question Text | To find the distance d over which a signal can be seen clearly in foggy conditions, a railways engineer uses dimensional analysis and assumes that the distance depends on the mass density of the fog, intensity (power/area) s of the light from the signal and its frequency f. The engineer finds that disproportionalto . The value of n is . |