wave-optics

Related Questions

• The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refraction index n) is

  ---

• A slit of width a is illuminated by white light. For red light ($\lambda$ = 6500 Å), the first minima is obtained at $ heta = {30^o}$. Then the value of a will be

  ---

• If an interference pattern have maximum and minimum intensities in 36 : 1 ratio then what will be the ratio of amplitudes

  ---

• A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is

  ---

• Radius of central zone of circular zone plate is $2.3\,mm.$ Wavelength of incident light is $5893\,\,{\AA}.$ Source is at a distance of $6\,m.$ Then the distance of first image will be

  ---