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PEARSON IIT JEE FOUNDATION-HEAT-All Questions
- Define relative humidity. State its S.I. unit.
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- According to kinetic theory of gases, what is the cause of gas pressur...
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- What is the use of a thermopile ?
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- State Boyle's and Charles' laws.
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- Why are burns due to steam more harmful than those due to boiling wate...
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- The S.I. unit of specific latent heat of vapourization is
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- Define coefficients of linear, superficial and cubical expansions.
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- Heat energy flows from a body at temperature to a body at temperatur...
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- What are the values of specific latent heat of melting of ice and spec...
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- Define coefficient of apparent and real expansion of a liquid.
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- Give some advantages of high specific heat capacity of water.
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- If 1050 kJ of heat is required to rise the temperature of 18 kg of sub...
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- What is thermopile? Explain its working.
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- A substance of mass 1cdot5 kg absorbs 45 kcal of heat energy. If its t...
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- Explain, how land and sea breezes occur?
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- The density of mercury at 0^(@)C" is "13.6 g cm^(-3). Find the density...
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- On what factors does the radiating power of a hot body depend ?
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- Why do pendulum clocks made of ordinary metal go slow in summer ?
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- Define apparent and real expansion of a liquid and derive a relation b...
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- Metals are good conductors of heat because .
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