Affiliation: | 1.Central Department of Physics, Tribhuvan University, Kirtipur, Nepal ;2.Patan Multiple Campus, Tribhuvan University, Lalitpur, Nepal ;3.Goldengate International College, Kathmandu, Nepal ;4.Kailali Multiple Campus, Tribhuvan University, Dhangadhi, Nepal ;5.Amrit Campus, Tribhuvan University, Kathmandu, Nepal ;6.Prithvi Narayan Campus, Pokhara, Nepal ;7.Department of Physics, St. Xavier College, Maitighar, Kathmandu, Nepal ; |