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Wave Optics Test - 31
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Wave Optics Test - 31
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  • Question 1/10
    4 / -1
    In a Young\'s double slit experiment, the central point on the screen is
  • Question 2/10
    4 / -1
    In a Young\'s double slit experiment, the fringe width is found to be 0.4 mm. If the whole apparatus is immersed in water of refractive index 4/3 without disturbing the geometrical arrangement, the new fringe width will be
    Solutions

  • Question 3/10
    4 / -1
    In double slit experiment, for light of which colour the fringe width will be minimum?
    Solutions

  • Question 4/10
    4 / -1
    In Young\'s double slit interference pattern the fringe width
    Solutions

  • Question 5/10
    4 / -1
    In Young\'s double slit experiment, the phase difference between the light waves reaching third bright fringe from the central fringe will be (λ = 6000Å)
    Solutions

  • Question 6/10
    4 / -1
    In Young\'s double slit experiment, if the widths of the slits are in the ratio 4 : 9, the ratio of the intensity at maxima to the intensity at minima will be
    Solutions

  • Question 7/10
    4 / -1
    In Young\'s double slit experiment when wavelength used is 6000 Å and the screen is 40 cm from the slits, the fringes are 0.012 cm wide. What is the distance between the slits
    Solutions

  • Question 8/10
    4 / -1
    In two separate set-ups of the Young\'s double slit experiment, fringes of equal width are observed when lights of wavelength in the ratio 1 : 2 are used. If the ratio of the slit separation in the two cases is 2 : 1, the ratio of the distances between the plane of the slits and the screen in the two set-ups is
    Solutions

  • Question 9/10
    4 / -1
    In an interference experiment, the spacing between successive maxima or minima is
    (Where the symbols have usual meanings)
  • Question 10/10
    4 / -1
    In Young\'s double slit experiment, a third slit is made in between the double slits. Then
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