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Derive mirror formula
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Derive an expression for refraction at a spherical surface and hence derive lens makers formula
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Derive thin lens formula
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Derive an expression for the effective focal length of two thin lenses in contact.
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Discuss refraction of monochromatic light through a prism and Derive prism formula.
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Define dispersion and its cause. Explain the formation of rainbow.
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State and
explain Huygens' wave theory of light and explain the laws of reflection and refraction using it
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Explain the principle of superposition and deduce the conditions for constructive and destructive interference when two waves superpose each other.
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What are coherent sources? Describe any one method to obtain coherent sources with neat labeled diagram.
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Describe Young's double slit experiment and draw a graph showing the distribution of light intensity on the screen.
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Derive an expression for the bandwidth in Young's double slit experiment and hence show that bright fringe and dark fringe are of equal width.
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Draw a diagram showing the experimental arrangement for Fraunhoffer diffraction at a single slit.
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Deduce the conditions for maxima and minima in diffraction at a single slit.
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Show that the width of central maximum is double the width of secondary maxima in diffraction at a single slit.
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State an prove Brewster's law of polarisation
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Draw a ray diagram showing the formation of image by a simple microscope and derive expression for its magnifying power.
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Draw a ray diagram showing the formation of image by a compound microscope and derive expression for its magnifying power.
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Draw a ray diagram showing the formation of image by an astronomical telescope in normal adjustment and derive expression for its magnifying power.
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Which are the defects of human eye? How are they corrected?
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What is Fresnel distance? derive an expression for it.
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Explain how diffraction effects limit the resolving power of microscopes and telescopes.