16:I[8216,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"BackButton"] 17:I[1553,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"QuestionViewer"] 15:T4b6,{"@context":"https://schema.org","@type":"Quiz","name":"Kcet 2017 Wave Optics PYQ with Solution","url":"https://pyq-test-series-platform-alsjdcxu2-sameers-projects-41c5a71e.vercel.app/kcet/questions/2017/physics/wave-optics/m9duq2yk","educationalLevel":"Entrance exam preparation","about":"Kcet / Physics / Wave Optics","hasPart":{"@type":"Question","name":"Kcet 2017 Wave Optics PYQ with Solution","text":"In a system of two crossed polarisers, it is found that the intensity of light from the second polariser is half from that of first polariser. The angle between their pass axes is","eduQuestionType":"mcq","acceptedAnswer":{"@type":"Answer","text":"D"},"comment":{"@type":"Comment","text":"Explanation According to Malus's Law, the intensity of light passing through a polariser can be described as: I = I_0 \\cos^2 \\theta Where: I is the intensity of light after passing through the second polariser. I_0 is the intensity of light after the first polariser. \\theta is the angle between the pass axes of the two polarisers. Given in this problem, the intensity of light after the second polariser is half of that after the first polariser: I = \\frac{I_0}{2} Substituting into Malus's Law, w..."}}}18:T40a,

Explanation

According to Malus's Law, the intensity of light passing through a polariser can be described as:

$ I = I_0 \cos^2 \theta $

Where:

$ I $ is the intensity of light after passing through the second polariser.

$ I_0 $ is the intensity of light after the first polariser.

Wave Optics

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