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Wave Motion and Waves on a String — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsWave Motion and Waves on a String1 Mark
Question
A wave is represented by an equation $\text{y}=\text{c}_1\sin(\text{c}_2\text{x}+\text{c}_3\text{t}).$ In which direction is the wave going ? Assume that c1, c2 and c3 are all positive.
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Answer

Equation of the wave is.

$\text{y}=\text{c}_1\sin(\text{c}_2\text{x}+\text{c}_3\text{t})$

When the variable of the equation is (c2x + c3t), then the wave must be moving in the negative x-axis with time t.

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