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 10 Question-Answer on dispersion of light 1.        Finger prints on paper are identified by sprinkling fluorescent power on it and observing it under (a)     Mercury light (b)    Sun light (c)     Infrared light (d)    Ultra violet light Ans: (d) 2.        Fraunhoffer’s lines commonly visible in the sun’s spectrum are examples of (a)     Line emission spectrum (b)    Line absorption spectrum (c)     Band emission spectrum (d)    Band absorption spectrum Ans: (b) 3.        The nature of sun’s spectrum is: (a)     Line spectrum (b)    Band spectrum (c)     Continuous spectrum (d)    Continuous spectrum with a few absorption lines Ans: (d) 4.        Which of the following colours is...