A film of oil (nf = 1.42) 0.00021 mm thick is spread on a glass plate and viewed from above at nearly 90\deg to the surface. What color will the film appear to be? Compute the vacuum wavelength.
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A: point charges areq1=-13.4nCq2=+23.1nCseparation betwee the chargesd=18cm
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A: m1=1.95g=0.00195Kgq1=15.0μC=15×10−6Cv1i=16m/sm2=5.25g=0.00525Kgq2=8.50μC=8.50×10−6C
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