Answers

2015-02-18T22:48:34+05:30
WAVELENGTH OF WAVE IS DISTANCE MOVED DURING ONE OSCILLATION.


Distance between crest and next trough is half of the wavelength. Therefore wavelength is λ = 2 × 10 cm= 20 cm .

 FREQUENCY = ν = NUMBER OF RIPPLES PER SEC = 12/SEC = 12 HZ .

Velocity of wave = ν ×λ = 12/sec × 0·2m  = 2·4 m/sec







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