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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 9 - Ray Optics and Optical Instruments > A short pulse of white light is incident from air to a glass slab at normal incidence. After traveling through the slab, the first colour to emerge is

A short pulse of white light is incident from air to a glass slab at normal incidence. After traveling through the slab, the first colour to emerge is

A short pulse of white light is incident from air to a glass slab at normal incidence. After traveling through the slab the first colour to emerge is