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The specific heat of solids at low tempe...

The specific heat of solids at low temperatures varies with absolute temperature `T` according to the relation `S=AT^(3)`, where `A` is a constant. The heat energy required to raise the temperature of a mass m of such a solid from `T=0` to `T=20K` is:

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The correct Answer is:
`4xx10^(4)`ma
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PHYSICS GALAXY - ASHISH ARORA-HEAT AND THERMAL EXPANSION-PRACTICE EXERCISE
  1. A clock with a metallic pendulum gains 6 seconds each day when the tem...

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  2. The coefficient of apparent expansion of a liquid when determined usin...

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  3. A solid whose volume does not change with temperature floats in a liqu...

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  4. A small quantity of a liquid which dows not mix with water sinks to th...

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  5. A can of water of volume 0.5 m^(3) at a temperature 30^(@)C is cooled ...

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  6. Equal masses of three liquids A, B and C have temperature 10^(@)C, 25^...

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  7. A water heater can generate 8500 kcal/hr. How much water can it heat f...

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  8. When a 290 gm piece of iron at 180^(@)C is placed in a 100 gm aluminiu...

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  9. The specific heat of solids at low temperatures varies with absolute t...

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  10. A certain calorimeter has a water equivalent of 4.9 gm. That is in hea...

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  11. 5g ice at 0^(@)C is mixed with 5g of steam at 100^(@)C. What is the fi...

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  12. A block of ice of mass M= 50 kg slides on a horizontal surface. It sta...

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  13. The temperature of a body rises by 44^(@)C when a certain amount of he...

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  14. In a mixture of 35 g of ice and 35 g of water in equilibrium, 4 gm ste...

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  15. A lead bullet just melts when stopped by an obstacle. Assuming that 25...

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  16. Aluminium container of mass of 10 g contains 200 g of ice at-20^(@)C. ...

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  17. 1 kg of ice at 0^(@)C is mixed with 1 kg of steam at 100^(@)C. Find th...

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  18. When a block of metal of specific heat 0.1 cal//g//^@C and weighing 11...

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  19. A pitcher contains 10 kg of water at 20^(@)C. Water comes to its outer...

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  20. A pitcher contains 1 kg water at 40^(@)C. It is given that the rate of...

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