M. Sc. Physics Sem IV E-Question Paper Atomic and Molecular Spectroscopy June 2015. Atomic and Molecular Spectroscopy JUNE 2016. Atomic and Molecular Spectroscopy JUNE 2017. Material Science JUNE 2016. Modern Optics June 2015. Modern Optics JUNE 2016. Modern Optics June 2017. Physics Material Science JUNE 2017.