Assertion: When hot water is poured in a beaker of thick glass, the beaker cracks. Reason: Outer surface of the beaker expands suddenly. Assertion: When hot water is poured in a beaker of thick glass the beaker cracks. Reason: Outer surface of the beaker expands suddenly. November 18, 2020 Category: Chapter 16 - Calorimetry and Heat Transfer , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related