CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
- What is meant by Latent heat ?
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- Define : Latent heat of fusion (Lf) Latent heat of vapourisation (Ly)
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- When 0.1 kg of ice at 0 ^@C is mixed with 0.32 kg of water at 35 ^@C i...
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- Why is latent heat of vaporisation much larger than latent heat of fus...
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- An electric kettle takes 20 min. to heat a certain quantity of water f...
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- What are the three modes of heat transfer? Describe each in brief.
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- What is thermal conductivity?
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- What is meant by "steady state"?
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- Define temperature gradient.
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- Derive an expression for coefficient of thermal conductivity of a mate...
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- Define coefficient of thermal conductivity. State its MKS unit
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- What ismeant by "thermal resistance"?Explain. State its SI unit and di...
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- Describe three applications of thermal conductivity
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- Give reason, why (i)Cooking is difficult at high altitude.
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- Give reason, why (ii)Cooking is faster in a pressure cooker.
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- Find the temperature difference between two sides of a steel plate 4 c...
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- What is the difference between boiling and evaporation?
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- Explain the process of heat transfer by convection.
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- Explain the following application of convection. (1) Heating and coo...
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- Explain the following application of convection. (2) Cooling of tran...
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