Two identical waves each of frequency 10Hz, are travelling in opposite directions in a medium with a speed of 20 cm/s . Then the distance between adja
Two identical waves each of frequency 10Hz, are travelling in opposite directions in a medium with a speed of 20 cm/s . Then the distance between adjacent nodes is
A. 1cm
B. 1.2 cm
C. 1.5 cm
D. 2.0 cm
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Correct Answer - A
`v=vlamda therefore lamda=v/n=20/10=2cm`
The distance between two adjacent antinode is
`lamda/2 = 2/2 = 1cm`
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