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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 10 - Wave Optics > A beam of unpolarised light of intensity I0 ​ is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 60^o relative to that of A. The intensity of the emergent light is:

A beam of unpolarised light of intensity I0 ​ is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 60^o relative to that of A. The intensity of the emergent light is:

A parallel beam of light of wavelength 6000 A^0 gets diffracted by a single slit of width 0.3 mm. The angular position of the first minima of diffracted light is