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According to Newton's law of cooling, th...

According to Newton's law of cooling, the rate of cooling of a body is proportional to `(Deltatheta)^(n),"where "Deltatheta` is difference of temperature of body and surroundings, and n is equal to

A

1

B

2

C

3

D

4

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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
  1. Two spheres of radii r(1)andr(2) have densities rho(1)andrho(2) and sp...

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  2. Newton's law of cooling is applicable when

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  3. According to Newton's law of cooling, the rate of cooling of a body is...

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  4. A solid at temperature T(1) is kept in an evacuated chamber at tempera...

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  5. The thermal radiation emitted by a body is proportional to T^(n) where...

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  6. Newton's law of cooling is a special case of

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  7. A hot liquid is kept in a big room. The logarithm of the numerical val...

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  8. One end of a metal rod is dipped in boiling water and the other is dip...

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  9. In summer, a mild wind is often found on the shore of a calm river. Th...

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  10. Three discs, A, B and C having radii 2 m, 4 m and 6 m respectively are...

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  11. Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm...

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  12. In which of the following process, convection does not take place prim...

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  13. Heat is associated with

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  14. 'Gulab Jamuns' (assumed to be spherical) are to be heated in an oven. ...

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  15. A manufacturer wishes to design a thermo meter so that the mercury mus...

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  16. In which of the following pairs of temperature scales, the size of a d...

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  17. Pick up the correct statement a) Sun's temperature is measured by a ...

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  18. Mark the correct options: a) A system X is in thermal equilibrium wi...

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  19. When a rod is heated, its linear expansion depends on (a) Initial le...

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  20. The numerical value of coefficient of linear expansion is independent ...

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