NEET Physics Wave Optics Questions Solved

Unpolarised light is passed through a polaroid ${\mathrm{P}}_{1}$. When this polarised beam passes through another polaroid ${\mathrm{P}}_{2}$ and if the pass axis of ${\mathrm{P}}_{2}$ makes angle $\mathrm{\theta }$ with the pass axis of ${\mathrm{P}}_{1}$, Then write the expression for the polarised beam passing through ${\mathrm{P}}_{2}$. Draw a plot showing the variation of intensity when $\mathrm{\theta }$ varies from 0 to 2$\mathrm{\pi }$.                                     (2 marks)

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