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In the wave equation,   Y= A \sin 2\pi (\frac{x}{a}-\frac{t}{b})

Option: 1

Speed of wave is 'a/b'


Option: 2

Speed of wave is 'b/a'


Option: 3

Speed of wave is 'a'


Option: 4

Speed of wave is 'b'


Answers (1)

best_answer

Speed of wave       = \frac{Coefficient \;of \;(t)}{Coefficient\; of\; \left ( \lambda \right ) } = \frac{1/b}{1/a} = \frac{a}{b}   

\lambda = \frac{2\pi }{K} = \frac{2\pi }{2\pi /a} = a

T = \frac{2\pi }{\omega } = \frac{2\pi }{2\pi /b} = b

Posted by

Devendra Khairwa

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