wave-optics

Related Questions

• The ratio of intensities of two waves is 9 : 1. They are producing interference. The ratio of maximum and minimum intensities will be

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• In the visible region of the spectrum the rotation of the place of polarization is given by $\theta = a + \frac{b}{{{\lambda ^2}}}$. The optical rotation produced by a particular material is found to be 30° per mm at $\lambda = 5000$Å and 50° per mm at $\lambda = 4000{\rm{{\AA}}}$. The value of constant a will be

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• Conditions of diffraction is

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• The radius $r$ of half period zone is proportional to

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• Laser beams are used to measure long distance because

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