A-Level
EDEXCEL
Physics
January 2026
8 Marks
QP-202601-Physics-U2 · Question 20
Question (excerpt):
26 20 A device called a refractometer can be used to determine the concentration of a solution of glycerol. The graph shows the refractive index for different concentrations of glycerol. 2 0 4 …
26 20 A device called a refractometer can be used to determine the concentration of a solution of glycerol. The graph shows the refractive index for different concentrations of glycerol. 2 0 4 …
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