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Question

a The Expert TAI Human-li x C Secure /common/TakeTu alAssignment aspx Home I Student: a edu My Account og out Class Management I Help Homework 11 Begin Date: 3/29/2017 9:40:00 AM Due Date: 4/1/2017 11:59:00 PM End Date: 4/2/2017 11:59:00 PM 14%) Problem 7: Suppose a polarizing filter reduces the intensity of polarized light to 45 of its original value Assignment Status Click here for P By how much is the magnetic field of the electromagnetic radiation reduced? Give your answer in terms of a ratio of the magnetic field of detailed view the polarized light Bp to the incident magnetic field B Grade Summary B, B Deductions Problem Status Potential 100% Completed Submissions sino cos() tan() 7 8 9 2 Completed Allempus remaining: S cotano asin acos() 4 5 6 Partial 0% per attempt) detailed view at ano acotano sinh() 1 2 3 Degree Radians Feedback: deduction per feedback 3:33 PM

Explanation / Answer

Ip = 0.45 Io

and Ip is directly proptional to the multiplication of B and E.

and both will be reduced by same factor.

as B = (v x E) / u0

hence Bp Ep = 0.45 Eo Bo

Bp^2 = 0.45 Bo^2

Bp = 0.67 Bo

Bp / Bo =0.67

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