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What is the wavelength of waves whose speed is 20 meters min and a period of 30 seconds a10 b5 c6 d6m e none of these?
Wiki User
∙ 13y ago
Wavelength = (speed)/(frequency)
Frequency = 1/period
so wavelength = (speed) x (period)
Speed = (20 meter/min) x (1 min/60 sec) = 1/3 meter/sec
Wavelength = (speed) x (period) = (1/3 meter/sec) x (30 sec) = 10 meters
The correct choice is a .
Wiki User
∙ 13y ago
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