PHY-Jun-2019-P1-grade-11-QP-and-Memo - Physical Sciences Break 1.0

7.2.4 n = C P v 1,47 = 3 x108 P v v = 2,04 x108 m×s-1P (3) 7.2.5 2,04 x 108 m×s-1 P Maize oil has the same refractive index as glycerol. P (2) [18] QUESTION EIGHT 8.1 Destructive interferencePtakes place at those points on the screen , this is due to a crest and a trough overlapping at those points out of phase.P (2) 8.2 DiffractionP (1) ................
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