A Progressive Wave Of Frequency 500 Hz Is Travelling With A Velocity Of 360 m/s. How Far Apart Are Two Points 60o out Of Phase?  

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Question

A progressive wave of frequency 500 Hz is travelling with a velocity of 360 m/s. How far apart are two points 60o out of phase?  

Solution

Correct option is

0.12 m

 

We know that for a wave v = f λ, 

Now as in a waves path difference is related to phase difference by the relation,

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