Lesson 3 of 6 • 0 upvotes • 12:23mins
Inventions & discoveries
Overview (in Hindi)
1:38mins
Discoveries and Inventions Physics Part 1 (in Hindi)
12:30mins
Discoveries and Inventions Physics Part 2 (in Hindi)
12:23mins
Discoveries and Inventions Physics Part 3 (in Hindi)
10:14mins
Discoveries and Inventions Chemistry Part 1 (in Hindi)
9:49mins
Discoveries and Inventions Chemistry Part 2 (in Hindi)
9:25mins