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A stationary wave is set up on a string that is stretched between two fixed points that are 48 cmapart.At one instant, the appearance of the string is as shown.fixed point fixed pointWhat is the wavelength of the stationary wave?A 16 cm B 32 cm C 48 cm D 72 cm

Question

A stationary wave is set up on a string that is stretched between two fixed points that are 48 cmapart.At one instant, the appearance of the string is as shown.fixed point fixed pointWhat is the wavelength of the stationary wave?A 16 cm B 32 cm C 48 cm D 72 cm

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Solution

The wavelength of a stationary wave is the distance between two consecutive points that are in phase (i.e., moving together). In the case of a string, these points are the nodes, where the string doesn't move.

From the description, it seems like the string is showing one complete wave (from node to node) across its 48 cm length. Therefore, the wavelength of the stationary wave is 48 cm. So, the answer is C 48 cm.

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