$Assertion :$ Speed of wave $=\frac{wavelength}{time period}$
$Reason :$ Wavelength is the distance between two nearest particles in phase.
$Reason :$ Wavelength is the distance between two nearest particles in phase.
AIIMS 2002, Medium
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Since wavelength is distance between two nearest particles in phase and time period is time required by a wave to cover this distance. Speed of wave $=\frac{wavelength}{time period}$
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