The displacemet of the medium in a sound wave is given by the equation y_(1) =Acos(ax +bt)where A, a and b are positive constants. The wave is reflected by an obstacle situated at x = 0. The intensity of the reflected wave is 0.64 times that of incident wave: Write the equation of the reflected wave: In the resultant wave formed after reflecting find the maximum and minimum values of particles speed in the medium

The displacemet of the medium in a sound wave is given by the equation

1.	The displacemet of the medium in a sound wave is given by the equation y_(1) =Acos(ax +bt)where A, a and b are positive constants. The wave is reflected by an obstacle situated at x = 0. The intensity of the reflected wave is 0.64 times that of incident wave: Write the equation of the reflected wave: In the resultant wave formed after reflecting find the maximum and minimum values of particles speed in the medium
Answer» `V_("max") = 1.8 AB, V_("MIN") = 0 Ab` `V_("max") = 0.9 Ab, V_("min") = 0.1 Ab` `V_("max") = 1.1 Ab, V_("min")=0.1 Ab` `V_("max") =1 Ab, V_("min") = 0.5 Ab` Answer :A

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