CBSE Class 12 · Physics

Thermal properties of matter

10 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 10 questions

How much heat (in J) is needed to raise the temperature of $0.5 kg$ of water by $20^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $2 kg$ of water by $30^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $0.5 kg$ of water by $50^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $2 kg$ of water by $50^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $0.5 kg$ of water by $10^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $1 kg$ of water by $20^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $0.5 kg$ of water by $30^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $1 kg$ of water by $30^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $3 kg$ of water by $10^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )
How much heat (in J) is needed to raise the temperature of $2 kg$ of water by $20^{\circ} C$ ? (specific heat of water $= 4200 J/kg^{\circ} C$ )

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