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    Class 10 Science The Human Eye and Colourful World (11 questions)
    The Human Eye, power of accommodation, defects of vision and their correction- myopia, hypermetropia, presbyopia refraction of light through a prism, dispersion of white light by a glass prism, atmospheric refraction- twinking of stars, advance sunrise and delayed sunset, scattering of light, Tyndall effect, why is the colour of the clear sky blue, colour of the sun at sunrise and sunset.