1.ৰাসায়নিক বিক্ৰিয়া আৰু সমীকৰণ
Notes
Textual Question Answer
Additional Question Answer
2
Notes
Textual Question Answer
Additional Question Answer
3
4
Notes
Textual Question Answer
Additional Question Answer
5
6
7
8
9
10. পোহৰ প্ৰতিফলন আৰু প্ৰতিসৰণ (Light Reflection and Refraction)
Notes
Textual Question Answer
Additional Question Answer
11
12. বিদ্যুৎ
13
14
15
16