Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between-adjacent nodes is

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Q: 29 (CDS-I/2004)
Two waves, each of amplitude
1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between-adjacent nodes is
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,7,3,0,7,3,0

keywords: 

{'waves': [0, 0, 3, 0], 'amplitude': [1, 0, 7, 8], 'adjacent nodes': [0, 0, 1, 0], 'hz': [0, 0, 4, 8], 'distance': [0, 3, 3, 3], 'opposite direction': [0, 0, 1, 2], 'speed': [0, 1, 2, 0]}