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What is temperatrue gradient?...

What is temperatrue gradient?

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The fall in temperature in a body per unit distance is called the temperature gradiant.
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PRADEEP-PROPERTIES OF BULK MATTER-Very short answer questions
  1. Why snow is better heat insulator than ice?

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  2. What is the basic condition for Newton's law of cooling to be obeyed?

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  3. What is temperatrue gradient?

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  4. Can the rate of loss of heat be the same for two liquids? Comment.

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  5. Ac cording to Newton's law of cooling, the rate of cooling of a body i...

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  6. Cooling curves are drawn for three liquids a,b,c, shown in fig. for wh...

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  7. A good heat reflector is a poor emitter, why?

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  8. Why are clear nights colder than cloudy nights ?

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  9. Under which condition the rate of cooling is obeyed (i) under Newton's...

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  10. The young's modulus for steel is much more then that for rubber. For t...

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  11. Is stress a vector quantity ?

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  12. Identical spring of steel and copper are equally stretched. On which, ...

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  13. What is the value of Young's modulus for a perfectly rigid body?

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  14. what is the Bulk modulus for a perfect rigin body ?

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  15. Is viscosity a vector ?

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  16. Is surface tension a vector ?

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  17. Iceberg floats in water with part of it submerged. What is the fractio...

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  18. A vessel filled with water is kept on a weighing pan and the scale adj...

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  19. A cubical block of density rho is floating on the surface of water. Ou...

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  20. Is the bulb of a thermoeter made of diathermic or adiabatic wall ?

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