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PENGENALAN KEPADA SISTEM GENTIAN OPTIK

PENGENALAN KEPADA SISTEM GENTIAN OPTIK

PENGENALAN KEPADA SISTEM GENTIAN OPTIK

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Perambatan cahaya dalam gentian optik<br />

menggunakkan Hukum Snell.<br />

�� Perambatan<br />

Hukum Snell<br />

Apabila cahaya menembusi 2 bahan yang<br />

berlainan ketumpatan,<br />

ketumpatan,<br />

maka cahaya itu akan<br />

dibiaskan. dibiaskan<br />

n1 sin θ1 1 = n2 sin θ2<br />

n1 = indeks biasan bagi bahan 1<br />

n2 = indeks biasan bagi bahan 2<br />

θ1 1 = sudut masukan (darjah darjah)<br />

θ2 2 = sudut keluar (darjah darjah)

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