Lesson 4 of 6 • 0 upvotes • 10:14 mins
Inventions & discovery
Overview (in Hindi)
1:38 mins
Discoveries and Inventions Physics Part 1 (in Hindi)
12:30 mins
Discoveries and Inventions Physics Part 2 (in Hindi)
12:23 mins
Discoveries and Inventions Physics Part 3 (in Hindi)
10:14 mins
Discoveries and Inventions Chemistry Part 1 (in Hindi)
9:49 mins
Discoveries and Inventions Chemistry Part 2 (in Hindi)
9:25 mins