Answers

2016-02-16T19:25:47+05:30
1- Transverse wave
3- Mechanical wave 
3- Longitudinal wave

2 3 2
longitudinal waves travel parallel y
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2016-02-16T19:32:14+05:30
1) Longitudinal   wave
2) Mechanical wave 
3) Transverse wave
i hope it helps..........
1 3 1