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प्रश्न
When the pass-axes are aligned at \[\theta=0^\circ\], what is the transmitted intensity?
पर्याय
\[I=I_0\], the maximum intensity
\[I=I_0/2\], half intensity
\[I=0\], complete darkness
\[I=I_0/4\]
MCQ
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उत्तर
At \[\theta=0^\circ\], \[\cos\theta=1\]. Malus' Law gives \[I=I_0\]; aligned, parallel pass-axes transmit the maximum intensity.
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