reflection and transmission of wave

17:04

11:42

4:58

1:15:50

4:40

29:35

3:40

کوتاه

4:55

3:12

2:28

3:15

کوتاه

3:19

4:30

1:39

4:44

8:21

4:47

1:56:56

24:06

10:29

کوتاه

1:21

10:59

7:41

9:51

1:22

3:40

4:31

4:20

5:42

4:35

4:39

12:10

1:26

4:32

کوتاه

2:37

14:33