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The top of lake is frozen. Air in contac...

The top of lake is frozen. Air in contact is at -`15^@ C` What do you expect the maximum temperature of water in contact with the lower surface of ice and

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The top of lake is frozen. Air in contact is at - 15^@ C What do you expect the maximum temperature of water at the bottom of the lake ?

If 10g of water at 8^@C is mixed with one gram of ice at 0^@C . What will be the final temperature of the mixture.

A pond is covered by a sheet of ice 2.0 cm thick (thermal conductivity 1.6 jm^(-1)s^(-1)k^(-1) . The temperature of the lower surface of ice is 0^@ C and that of the upper surface is -10^@ C . At what rate is heat conducted through each square meter of the ice ? What is the direction of this flow of energy ?

When 25 gm of ice at - 20^@C have absorbed 2500 cal of heat, what is the temperature of the resulting water? (latent heat of ice = 80 "cal"//(gm) and specific heat of ice = 0.5 "cal"//(gm)//^@C) .

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. Air and wood are bad conductors of heat. The heat emitted by hot body ...

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  2. A solid sphere of copper of radius R and a hollow aphere of the same ...

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  3. The top of lake is frozen. Air in contact is at -15^@ C What do you ex...

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  4. The top of lake is frozen. Air in contact is at -15^@ C What do you ex...

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  5. Ratio of coefficient of thermal conductivity of two different material...

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  6. what is the mode of heat transfer applied o solids.

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  7. Name the only liquid which is a good conductor of heat.

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  8. What is the dimensional formula of co-efficient of thermal conductivit...

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  9. Are good absorber good emitters ?

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  10. Are good reflectors poor emitters ?

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  11. When a green glass heated to high temperature what it will glow ?

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  12. The co-efficient of thermal conductivity in which case of conductors i...

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  13. Whether air is a good conductor of heat ?

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  14. What is the sum of absorbing power reflecting power and transmitting p...

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  15. What is the unit of thermal conductance ?

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  16. Bond energy is highest for :

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  17. Which mode of heat transfer do not require a medium?

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  18. What is the value of wien's constant ?

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  19. Whether the sea brezze blows during day or night ?

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  20. Do we feel in winter night warmer when clouds cover the sky ?

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