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+2 2nd yr Science Physics Subject - Optics (Part-1)
+2 2nd yr Science Physics Subject - Optics (Part-2)
+2 2nd yr Science Physics Subject - Optics (Part-3)
+2 2nd Year science Botany- Ecological pyramid-Part 1
+2 2nd Year science Botany Nutrient cycling Part 2
+2 2nd Year Science Botany - Ecological successions Part 3
+2 2nd year science chemistry- solid state (part-1)