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The value of a is numerically equal to t...

The value of a is numerically equal to the percentage change in length when the temperature of the rod is increased by

A

`1^(@)C`

B

1K

C

273 C

D

`100^(@)C`

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The correct Answer is:
D
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CENGAGE PHYSICS-HEAT AND TEMPERATURE -MANDATORY EXERCISE (Exercise Set II)
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  2. 10 g of water at 20^(@)C is mixed with 20 g of water at 10^(@)C The re...

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  3. The value of a is numerically equal to the percentage change in length...

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  4. How much heat is required to rise the temperature of 20 g of mercury f...

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  5. Calculate the amount of ice that can be melted when 1 kg of steam at 1...

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  6. The length of a rod increases from 50 cm to 50.12 cm, when its tempera...

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  7. A hot iron ball of mass 200 g is cooled from 373 K to 303 K. If the he...

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  8. Two bodies A and B having same initial tempera ture are supplied with ...

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  9. The specific heat capacities of Aluminium and Iron are 900 J kg^(-1) K...

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  10. Water can be used as an efficient coolant. Explain.

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  11. Sea breeze maintains a moderate climate near sea shors. Explain.

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  12. Why is the bulb of a thermometer made small?

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  13. In a building with two floors, the ground floor is cooler than the fir...

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  14. The principle of calorimetry is basically

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  15. Under what condition, is the principle of calorimetry not valid?

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  16. What is melting point or freezing point of any material?

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  17. What is boiling point of any material?

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  18. What is sublimation? Give example.

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  19. Phase change is a constant temperature process. Explain.

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  20. For a fixed mass of water, at what temperature will the volume become ...

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