Class 10th Science

Class 10th, Science, Chapter-15 Light Lecture-1
Class 10th, Science, Chapter-15 Light Lecture-2
Class 10th, Science, Chapter-15 Light Lecture-3
Class 10th, Science, Chapter-15 Light Lecture-4
Class 10th, Science, Chapter-15 Light Lecture-5
CLASS-10TH CH-1 SCIENCE LECTURE-6
CLASS-10TH CH-1 SCIENCE LECTURE-7
CLASS-10TH CH-1 SCIENCE LECTURE-8
CLASS-10TH CH-1 SCIENCE LECTURE-9
CLASS-10TH CH-1 SCIENCE LECTURE-10
CLASS-10TH CH-1 SCIENCE LECTURE-11
Class 10th Science Lecture-12
Class 10th,science, lecture no 17(light)
Class 10th,science, lecture no 18(light)
Class 10th,science,lecture no. 16 (light)