MCQ 11 MarkWhich of the following expand(s) in volume only when heated ?ASolidBLiquid✓GasDBoth (b) and ( c)AnswerCorrect option: C. GasCView full question & answer→
MCQ 21 MarkThe bimetallic strip made from brass and iron bends when heated. When it’s bent the shape is :Abrass on the outer sideBiron on the inner sideCiron on the outer side✓both (a) and (b)AnswerCorrect option: D. both (a) and (b)DView full question & answer→
MCQ 31 MarkSmall gaps are left between railway lines because :✓rails of very long length are not availableBexpansion of rails during summerCcontraction of rails during summerDboth (b) and (c)AnswerCorrect option: A. rails of very long length are not availableAView full question & answer→
MCQ 41 MarkThe increase in volume of a substance when heated, is called :Athermal expansionBliner expansion✓superficial expansionDcubical expansionAnswerCorrect option: C. superficial expansionCView full question & answer→
MCQ 51 MarkThe increase in length of a solid when heated is called :Athermal expansion✓liner expansionCsuperficial expansionDcubical expansionAnswerCorrect option: B. liner expansionBView full question & answer→