Question
A cyclic process is shown in figure. Work done during isobaric expansion is ...... $J$



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$($Specific heat of lead $= 150\,J/kg, K)$
$y = \frac{{10}}{\pi }\,\sin \,\left( {\frac{{2\pi }}{T}t - \frac{{2\pi }}{\lambda }x} \right)$
For what value of the wavelength the wave velocity is twice the maximum particle velocity ..... $cm$ ?
