physics ch 1 class 12

2:12:00

1:07:19

47:07

41:27

40:13

1:25:08

33:35

4:40:09

58:48

1:59:26

12:15

3:47:42

1:42:25

35:31

1:55:30

1:19:24

4:07:00

3:05:35

30:43

3:52:37

36:33

1:06:48

57:36

1:43:40

5:15

30:33

17:11

2:38:45

7:26:54

3:15:06

7:46

3:22:21

1:56:25

12:30

8:19

3:36:32

1:22:24

1:21:17

1:41:21

3:35

51:06

1:00:40

1:01:07

1:11:39

4:01:21

18:32

10:05

19:51

25:08

50:47

12:30

4:02:41

1:49:55

11:55:01

54:34

1:09:44

1:11:10

11:43:34

7:41

2:01:43