screw gauge experiment of class 11th

33:20

10:11

کوتاه

کوتاه

13:42

8:10

1:37

2:34

13:31

25:02

25:02

15:38

کوتاه

9:13

19:52

10:36

10:48

11:28

6:00

10:05

2:17

4:47

1:11

12:14

10:27

11:16

2:45

16:41

14:39

25:16

14:36

9:33

18:21

2:46

29:34

7:54

3:28

17:03

7:04

17:09