properties of concave mirror

5:52

33:20

14:44

4:34

3:34

1:19

5:06

2:28

3:18

2:23

2:40

کوتاه

کوتاه

42:58

کوتاه

5:44

1:29:00

1:24:09

3:37

6:03

11:01

27:54

1:23:32

22:23

11:54

16:11

2:57

14:46

6:32

55:02

3:08

4:41

5:04

4:34

5:54

51:03

1:18:05

1:10:15

28:23

51:41