The equation of a transverse wave is given by y = 0.05 sin π(2t – 0.02x), where x, y are in metre and t is in second. The minimum distance of separation between two particles which are in phase and the wave velocity are respectively ______
1
50 m, 50 ms-1
2
100 m, 100 ms-1
3
50 m, 100 ms-1
4
100 m, 50 ms-1