What is SI unit of viscosity coefficient (η)?

(i) Pascal 

(ii) Nsm^-2 

(iii) km^-2s 

(iv) Nm^-2 

<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><p>option (ii) Nsm^-2&nbsp;</p><p>viscosity coefficient (η) = <span class="mathml" contenteditable="false"> <math> <mfrac> <mrow> <mrow> <mi>F</mi> <mi>o</mi> <mi>r</mi> <mi>c</mi> <mi>e</mi> <mi> </mi> </mrow> </mrow> <mrow> <mrow> <mi>A</mi> <mi>r</mi> <mi>e</mi> <mi>a</mi> <mi> </mi> <mo>×</mo> <mi>V</mi> <mi>e</mi> <mi>l</mi> <mi>o</mi> <mi>c</mi> <mi>i</mi> <mi>t</mi> <mi>y</mi> <mi> </mi> <mi>G</mi> <mi>r</mi> <mi>a</mi> <mi>d</mi> <mi>i</mi> <mi>e</mi> <mi>n</mi> <mi>t</mi> <mi> </mi> </mrow> </mrow> </mfrac> </math> </span>&lt;!--- [endif]---&gt;&lt;!--- [endif]---&gt;</p><p>SI unit of (η)= Nsm^-2</p>

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