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Wave Optics Test - 14
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Wave Optics Test - 14
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  • Question 1/10
    4 / -1
    The interference fringes formed by a thin oil film on water are seen in yellow light of sodium lamp . We find the fringes
  • Question 2/10
    4 / -1
    In young’s double slit expt., angular width of a fringe formed on a distant screen is 1o. The wavelength of light used is 6000 Å . What is the separation between the slits ?
    Solutions

  • Question 3/10
    4 / -1
    Which of the following is NOT essential for two sources of light in Young’s double slit experiment to produce a sustained interference ?
  • Question 4/10
    4 / -1
    The velocity of light in diamond (vd), in glass (vg) and in water (vw) is such that
    Solutions

  • Question 5/10
    4 / -1
    Two waves having the intensities in the ratio of 9 : 1 produce interference. The ration of maximum to minimum intensity is equal to
    Solutions

  • Question 6/10
    4 / -1
    Ratio of intensities of two waves is given by 4 : 1. Then ratio of the amplitude of the two waves is
    Solutions

  • Question 7/10
    4 / -1
    The correct relation between the size of the obstacle and wavelength of light in order to observe the diffraction event is
    Solutions

  • Question 8/10
    4 / -1
    Diffraction pattern is obtained using red light. What will happen if it is replaced by violet light?
  • Question 9/10
    4 / -1
    The limit of resolution of eye is approximately
  • Question 10/10
    4 / -1
    A plane wave of wavelength 6250 Å is incident normally on a slit of width 2 × 10-2 cm. The width of the principal maximum on a screen distant 50 cm will be
    Solutions

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