3.seismik eksplorasi _03
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seismikTRANSCRIPT
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PERAMBATANPERAMBATANGELOMBANGPERAMBATANPERAMBATANGELOMBANG SEISMIK
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HUKUM PEMANTULAN GELOMBANG
MENGUKUR SUDUT DATANG
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PRINSIP FERMAT PRINSIP HUYGEN
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Perumusan matematishukum Snellius
Pembiasan cahayamedium denganKarena kecepatankedua (v2 < v1
datang θ1; denganberindeks lebih
matematisSnellius adalah
cahaya pada antarmuka antara duadengan indeks bias berbeda, dengan n2 > n1.
kecepatan cahaya lebih rendah di medium
1), sudut bias θ2 lebih kecil dari sudutdengan kata lain, berkas di medium
lebih tinggi lebih dekat ke garis normal.
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