In the 1887 experiment by michelson and morley, the length l of each interferometer arm was 11 m; the experimental limit for the fringe shift was 0.005 fringes. suppose that sodium light (λ = 589 nm) is used in the experiment. what is the upper limit that the null experiment places on the speed of the earth through the ether given the experimental resolution?

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

answer: c. is your answer

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