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    Types of monochromators, effect of slit width

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    Differentiate between the two types of monochromators.

    Effect of slit width on resolution of spectrophotometer, its adherence to Beer Law and comparison with spectral slit width.

    Convert wavelength into frequency (Htz) and wave number(cm -1).

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    Solution Preview

    Two types of monochromators:
    A spectrophotometer uses a prism or grating to separate light.

    A Prism: Dispersive prisms are used to break up light into its constituent spectral colours because the refractive index depends on frequency.

    B Grating: A fundamental property of gratings is that the angle of ...

    Solution Summary

    The solution differentiates between the two types of monochromators.