Assertion : A wooden plank is floating in two liquids as shown. Net force applied by liquid-1 on plank is zero. Reason : Contribution in upthrust due to liquid -1 is V_(1)rho_(1)g. Where V_(1)= volume immersed in liquid -1 and rho_(1) is the is the density of liquid -1.

Assertion : A wooden plank is floating in two liquids as shown. Net fo

1.	Assertion : A wooden plank is floating in two liquids as shown. Net force applied by liquid-1 on plank is zero. Reason : Contribution in upthrust due to liquid -1 is V_(1)rho_(1)g. Where V_(1)= volume immersed in liquid -1 and rho_(1) is the is the density of liquid -1.
Answer» If both ASSERTION and REASON are CORRECT and Reason is the correct explanation of Assertion. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. If Assertion is true but Reason is false. If Assertion is false but Reason is true. Solution :Upthrust by LIQUID= WEIGHT of liquid displaced.