A transverse wave of frequency 60 Hz prop- agates down a string. Two points 10 cm apart 7 T are out of phase by 4 What is the wave length of the wave? Answer in units of cm.
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At a given point, what is the phase difference (as a multiple of π) between two ‘displacements for times 7.5 ms apart?
Answer in units of π.
b-What is the wave velocity?
Answer in units of m/s.
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