Question

Q71
To find the distance d over which a signal can be seen clearly in foggy conditions, a railway 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 enginner finds that d is proportional to 51/n. The value of n is​

Answer 1

Answer:

n=3

Explanation:

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