139813 A physical quantity \(P\) is related to four observables a,b,c, and \(d\) as \(P=\frac{\sqrt{a b} \cdot d^{\alpha}}{\sqrt{c}} \quad(\alpha\) is constant). The percentage errors in \(a, b, c\) and \(d\) are \(0.5 \%\) in each. If the percentage error in \(P\) is \(2 \%\), then \(\alpha\) is-
139813 A physical quantity \(P\) is related to four observables a,b,c, and \(d\) as \(P=\frac{\sqrt{a b} \cdot d^{\alpha}}{\sqrt{c}} \quad(\alpha\) is constant). The percentage errors in \(a, b, c\) and \(d\) are \(0.5 \%\) in each. If the percentage error in \(P\) is \(2 \%\), then \(\alpha\) is-
139813 A physical quantity \(P\) is related to four observables a,b,c, and \(d\) as \(P=\frac{\sqrt{a b} \cdot d^{\alpha}}{\sqrt{c}} \quad(\alpha\) is constant). The percentage errors in \(a, b, c\) and \(d\) are \(0.5 \%\) in each. If the percentage error in \(P\) is \(2 \%\), then \(\alpha\) is-
139813 A physical quantity \(P\) is related to four observables a,b,c, and \(d\) as \(P=\frac{\sqrt{a b} \cdot d^{\alpha}}{\sqrt{c}} \quad(\alpha\) is constant). The percentage errors in \(a, b, c\) and \(d\) are \(0.5 \%\) in each. If the percentage error in \(P\) is \(2 \%\), then \(\alpha\) is-