sonometer law of length physics practical class 12 experiment no 4 answers

7:06

15:05

33:20

6:18

8:11

10:27

5:11

11:21

8:14

10:13

14:26

9:54

11:56

7:05

11:45

13:30

12:13

12:12

6:49

1:04:27

12:16

16:49

9:16

6:08

5:58

8:35

14:50

12:32

کوتاه

1:37:58

51:11

1:50

7:09

10:43

11:24

14:23

4:03

19:15

8:01

28:57