1.

Stationary waves of frequency 200 are formed in air. If velovity of the wave is 360 m/s the shortest distance between antinodes will be :

Answer»

1.8 m
3.6 m
2.7 m
0.9 m

Solution :V = 200 HZ. V= 360 `ms^(-1)`
`lambda= (u)/(v) = (360)/(200) = 1.8 `m
distance bet. TWO conseutive ANTINODES
`lambda// 2 = (18)/(2) = 0.9` m.
Hence correct choice is (d).


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