A wave travelling on a string as shown in figure gets reflected at an open boundary. Then,

Phase reversal takes place at the boundary

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Wavelength changes at the boundary

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Phase reversal dosent take place

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Speed of the reflected ray takes place

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Solution

The correct option is C Phase reversal dosent take place
Phase reversal dosent take place , since reflection takes place at an open boundary. The reflected wave will look like as shown in the figure
The correct option is (c)

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When a travelling wave is reflected at a rigid boundary the reflected wave has ______, but reflection at an open boundary has ________.

y = A s i n (2 t - 5 x)

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