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A string of length L fixed at both ends vibrates in its fundamental mode at a frequency  and a maximum amplitude A. (a) Find the wavelength and the wave number k. (b) Take the origin at one end of the string and the X-axis along the string. Take the Y-axis along the direction of the displacement. Take t = 0 at the instant when the middle point of the string passes through its mean position and is going towards the positive y-direction. Write the equation describing the standing wave.

A string of length L fixed at both ends vibrates in its fundamental mode at a frequency  and a maximum amplitude A.
(a) Find the wavelength and the wave number k.
(b) Take the origin at one end of the string and the X-axis along the string. Take the Y-axis along the direction of the displacement. Take t = 0 at the instant when the middle point of the string passes through its mean position and is going towards the positive y-direction. Write the equation describing the standing wave.

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Dear student

The symbol in the question is not clear kindly attach image of the question and repost

Regards

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