Assertion : Windowpanes of old building become thicker at the bottom than at the top .Reason : Glass is an extremely viscous liquid .

Assertion : Windowpanes of old building become thicker at the bottom t

1.	Assertion : Windowpanes of old building become thicker at the bottom than at the top .Reason : Glass is an extremely viscous liquid .
Answer» If both ASSERTION and REASON are true and reason is the correct EXPLANATION of assertion . If both assertion and reason are true but reason is NOTTHE correct explanation of assertion . If assertion is true but reason is FALSE . If both assertion and reason are false . Solution :Glass being viscous, flows down at the bottom.