When a vertical beam of light passes through a transparent medium, the rate at which its intensity I decreases is proportional to I(t), wheret represents the thickness of the medium (in feet). Inclear seawater, the intensity 3 feet below the surface is 25% of the initial intensity I, of the incident beam.dIFind the constant of proportionality k, wheredt= kI.k =0.462What is the intensity of the beam 18 feet below the surface? (Give your answer in terms of I. Round any constants or coefficients to five decimal places.)0'0.00024

K=1 I=0.05263I0 Refer attachment

Answered: When a vertical beam of light passes…

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter1: Measurement

Section: Chapter Questions

Problem 11E

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