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Explain why a good conductor of heat is ...

Explain why a good conductor of heat is also a good conductor of electricity?

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JBD PUBLICATION-PROPERTIES OF BULK MATTER-EXAMPLE
  1. State Dulong-Petti's law.

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  2. Why does the column of mereury first fall and then rise when a mercury...

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  3. Explain why a good conductor of heat is also a good conductor of elect...

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  4. Why the pipes carrying steam should have loops?

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  5. Why does a solid expand on the basis of molecular theory?

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  6. A brass disc fits tightly in a hole in a steel sheet.Explain whether ...

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  7. A block of wood is floating on water at 0^@ C to 8^@C.How does the vol...

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  8. Explain how the high value of specific heat capacity of water helps in...

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  9. Can water in a beaker be made to boil by placing it in a bath of water...

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  10. Distinguish between convection and radiation.

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  11. Write one difference between natural convection and forced convection.

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  12. Why are small holes provided at the bottom of the chimney of the oil l...

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  13. Out of two thermos flasks of same height and capacity but one having c...

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  14. State Newton's law of cooling.

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  15. Is the bulb of a thermometer made of diathermic or adiabatic wall?

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  16. Why does a metal bar appear hotter than a wooden bar at the same tempe...

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  17. Calculate the temperature which has same numerical value on Celsius an...

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  18. These days people use steel utensils with copper bottom. This is suppo...

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  19. One day in the morning, Ramesh filled up 1/3 bucket of hot water from ...

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  20. One day in the morning, Ramesh filled up 1/3 bucket of hot water from ...

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