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PEMBIASAN• oleh 1 bidang batas
sinar merambat dari udara ke air
nu = 1.
na = 1,33
i = 30°
r = __?
Hukum snellius
sin i / sin r = na / nu
sin r = (nu / na) • sin i
sin r = (1 / 1,33) • sin 30°
r =22,08 ° ← jwb