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JEE Main & Advanced Physics Wave Mechanics Question Bank Progressive Waves

  • question_answer
    A wave is represented by the equation \[y=0.5\sin (10t-x)m\]. It is a travelling wave propagating along the + x direction with velocity                  [Roorkee 1995]

    A)            10 m/s                                    

    B)            20 m/s

    C)            5 m/s                                       

    D)            None of these

    Correct Answer: A

    Solution :

               The velocity of wave            \[v=\frac{\omega \,(\text{Co-efficient of }t\text{)}}{k\,(\text{Co-efficient of }x)}=\frac{10}{1}=10\,m/s\]


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