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Wavelength

A progressive...

Question

A progressive wave travelling along the positive x-direction is represented by $y (x, t) = A sin (k x - ω t + ϕ)$ . Its snapshot $t = 0$ is given in the figure:

0

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= \frac{π}{2}

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π

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\frac{π}{2}

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Solution

The correct option is D $π$
$y = A sin (k x - w t + ϕ)$
at $x = 0, t = 0, y = 0$ and slope is negative
$\Rightarrow ϕ = π$

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Similar questions

x

y (x, t) = A sin (k x - ω t + ϕ)

t = 0

ϕ

y (x, t) = A sin (k x - ω t + ϕ)

-

x -

A, ω

k

x = \frac{λ}{4}

y (t) = A sin ω t

y (x, t) = A sin (k x - ω t)

y_{1} = A_{0} s i n (k x - ω t), y_{2} = 3 \sqrt{2} A_{0} s i n (k x - ω t + ϕ)

y_{3} = 4 A_{0} c o s (k x - ω t)

0 \leq ϕ \leq π / 2

π / 4

ϕ

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