class12thphysicschapter1

12:15

40:13

36:33

2:12:00

1:19:24

3:52:37

17:55:36

47:07

51:06

1:06:48

1:07:19

1:42:25

1:55:30

4:07:00

44:17

7:02:09

4:54

1:00:27

59:18

1:29:11

1:43:18

1:49:07

58:48

1:16:43

2:53:24

1:00:40

1:25:01

1:41:51

1:00:42

11:43:34

4:01:21

20:00

2:53:00

19:43

1:26:54

1:11:10

3:36:32

1:36:46

10:05

1:22:24

25:08

54:34

3:08:06

54:02

1:00:35

1:14:14

26:10

14:46

3:02:45

55:44

1:04:14

1:18:45

27:25

6:16:46

1:58:43

7:26:54

21:23

3:11:01

1:59:26

50:13