refraction and reflection of light class 10 cbse

4:40

16:02

8:21

1:21:32

3:37

کوتاه

1:46

کوتاه

8:00

2:43

11:29

33:20

1:36

1:36

13:42

24:06

کوتاه

4:47

1:51

2:31

کوتاه

14:23

24:28

24:28

24:58

4:55

3:40

کوتاه

2:28

3:12

29:35

3:02

14:53

10:22

5:00

19:41

1:22:30

1:03:57

9:55

23:01