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Grade 11AIIMS MBBS

Please could somebody solve this sound waves problem. Help me urgent.....

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Abhishek Dogra

7 Years agoGrade 11

1 Answer

Arun

6 Years ago

At any position x, the temperature variation can be given by

T=T1+dT2−T1×x

also, v∝T

So, vvT=273T

or vT=v273T

as we know that, vT=dtdx

dt=vtdx=vdxT273

t=v273∫0d[T1+d[T2−T1]x]21dx[T=T1+d[T2−T1]x]t=v2d[T2+T1273]t=3302×33×280+310273=96×10−3sec

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