1.

Any physical quantity P is related to four observable quant a, b, c, as follows p=a³b²/(cd)-², percentage errors in measurement of a, b, c, d are 1%,3%,4%,2% respectively. Find out the percentage errors in quantity p.

Answer»

error =3*1+2*3+4/2+2/2=3+6+2+1=9+3=12



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