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 Moiz_6047 #1 Posted : Sunday, June 20, 2021 10:32:06 PM Rank: Advanced MemberGroups: Registered Joined: 5/3/2021Posts: 51Thanks: 0 timesWas thanked: 0 time(s) in 0 post(s) Because we know that c=f x wavelength and that v = frequency x wavelength how do we know to substitute the rearranged equation in the numerator or denominator? Back to top User Profile
 INSTR_Katrina_128 #2 Posted : Tuesday, June 22, 2021 7:02:46 PM Rank: Advanced MemberGroups: Registered Joined: 5/18/2021Posts: 73Thanks: 0 timesWas thanked: 0 time(s) in 0 post(s) Hi Moiz,Equation 1 is given to us:Δf = (v/c)*f₀where v is the velocity of the blood particle, c is the speed of light in a vacuum, and f₀ is the original frequency of the light.From the universal wave equation, c = fλ for light. We can technically rewrite this using the passage's variables: c = f₀*λSubbing in and simplifying, we getΔf = [v/(f₀*λ)]*f₀Δf = v/λTherefore, there is an inverse relationship between Δf and λ. As λ increases, Δf decreases (but not linearly).A is the best answer. Back to top User Profile
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