Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumstatement
Statement I: At ordinary pressure, water contracts when warmed from 1°C to 3°C. Statement II: Every unstretched rubber specimen necessarily contracts on heating.
Options:
Answer:
B
Solution:
Water density rises toward its maximum near 4°C, so I is true. Rubber contraction is a qualified thermoelastic stretched-rubber effect, not universal as II claims. II is false.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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