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A long metal rod is bent to form a ring ...

A long metal rod is bent to form a ring with a small gap if this is heated, will this gap increase or decrease?

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Increase. Choose two points on the rod on either side of the gap, and apply the above principle.
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CENGAGE PHYSICS-CALORIMETRY-Exercise 1.2
  1. Two large holes are cut in a metal sheet. If this is heated, will thei...

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  2. In the above question, will the distance between the holes increase or...

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  3. A long metal rod is bent to form a ring with a small gap if this is he...

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  4. Two iron spheres of the same diameter are heated to the same temperatu...

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  5. A steel rod is 3.000 cm at 25^@C. A brass ring has an interior diamete...

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  6. A clock with a metallic pendulum gains 5 s each day at a temperature o...

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  7. The design of some physical instrument requires that there be a consta...

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  8. A metal rod of 30 cm length expands by 0.075 cm when its temperature i...

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  9. A brass scale is graduated at 10^@C. What is the true length of a zinc...

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  10. A long horizontal glass capillary tube open at both ends contains a me...

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  11. A mercury in glass thermometer has a stem of internal diameter 0.06 cm...

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  12. A sphete of deamrter 7.0 cm and mass 266.5 g float in a bath of liquid...

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  13. A mercury thermometer is to be made with glass tubing of internal bore...

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  14. On a Celsius thermometer the distance between the readings 0^@C and 10...

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  15. The height of a mercury column measured with a brass scale, which is c...

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  16. A glass bulb contains air and mercury. What fraction of the bulb must ...

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  17. Two rods of equal cross sections, one of copper and the other of steel...

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  18. A glass vessel measures exactly 10 cm xx 10 cm xx 10 cm at 0^@C. It is...

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  19. A metal ball immersed in alcohol weights W1 at 0^@C and W2 at 50^@C. T...

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  20. In figure which strip (brass or steel) has higher coefficient of linea...

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