In the graph shown below, the displacement (y) versus (x) along the line transmission of a longitudinal wave,at a given instant, is plotted. The positive y-axis represents displacement to the right and the negative y-axis displacement to the left. Then the pressure maxima occur at:

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Solution

The correct option is C R
$d p = f . y . d y$
$∴ p = f \int y d x$ .
$∴ p$ will have extreme when $y = 0$
ie, max when $\frac{d y}{d x} < 0$
reqd part is $R$

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In the graph shown below, the displacement (y) versus (x) along the line transmission of a longitudinal wave,at a given instant, is plotted. The positive y-axis represents displacement to the right and the negative y-axis displacement to the left. Then the pressure maxima occur at:

The correct option is C Rdp=f.y.dy∴p=f∫ydx.∴p will have extreme when y=0ie, max when dydx<0reqd part is R

The correct option is C R
$d p = f . y . d y$
$∴ p = f \int y d x$ .
$∴ p$ will have extreme when $y = 0$
ie, max when $\frac{d y}{d x} < 0$
reqd part is $R$