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Define : Latent heat of fusion (Lf) Lat...

Define : Latent heat of fusion `(L_f)`
Latent heat of vapourisation `(L_y)`

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Specific latent heat of fusion and specific latent heat of vaporisation.

Latent Heat of fusion of ice is

Define specific latent heat of vaporisation.

Define- Heat.

If 80 g steam of temperature 87^@C is released on an ice slab of temperature O^@C ,how much ice will melt?How much energy will be transferred to water? Given : specific heat capacity of water, c = 1 cal/g °C Latent heat of melting of ice = 80 cal/g Latent heat of vaporization of water = 540 cal/g

If 80 g steam of temperature 97^@C is released on an ice slab of temperature 0^@C ,how much ice will melt?How much energy will be transferred to water? Given : specific heat capacity of water, c = 1 cal/g °C Latent heat of melting of ice = 80 cal/g Latent heat of vaporization of water = 540 cal/g

Define/write the laws: Latent heat of vaporization

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CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. What is "critical temperature"?

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  2. What is meant by Latent heat ?

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  3. Define : Latent heat of fusion (Lf) Latent heat of vapourisation (Ly)

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  4. 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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  5. Why is latent heat of vaporisation much larger than latent heat of fus...

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  6. An electric kettle takes 20 min. to heat a certain quantity of water f...

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  7. What are the three modes of heat transfer? Describe each in brief.

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  8. What is thermal conductivity?

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  9. What is meant by "steady state"?

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  10. Define temperature gradient.

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  11. Derive an expression for coefficient of thermal conductivity of a mate...

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  12. Define coefficient of thermal conductivity. State its MKS unit

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  13. What ismeant by "thermal resistance"?Explain. State its SI unit and di...

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  14. Describe three applications of thermal conductivity

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  15. Give reason, why (i)Cooking is difficult at high altitude.

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  16. Give reason, why (ii)Cooking is faster in a pressure cooker.

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  17. Find the temperature difference between two sides of a steel plate 4 c...

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  18. What is the difference between boiling and evaporation?

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  19. Explain the process of heat transfer by convection.

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  20. Explain the following application of convection. (1) Heating and coo...

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