Polarized light is incident on 10 polarizing sheets the access of the first polarize she makes an angle theta with the plane of polarization each subsequent Sheet has an axis that is rotated by an angle theta from that of adjacent sheets find theta if 29% of the incident intensity is transmitted by the sheets. Suppose you want to rotate the plan of polarization of a beam of a polarize light by 90° but you do not want the Final intensity to be less than 66% of the initial intensity what is the minimum number of polarizing sheets you must use? Assume that if she is rotated the same angle relative to the adjacent sheets

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Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.