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The rate of fall of temperature per unit...

The rate of fall of temperature per unit length of the rod, when the rod is in the steady state is known as_____

A

potential gradient

B

temperature gradient

C

velocity gradient

D

pressure gradient

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TARGET PUBLICATION-Thermal Properties of Matter-Exercise
  1. Liquids and gases except mercury are

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  2. Which of the following is a slow process?

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  3. The rate of fall of temperature per unit length of the rod, when the r...

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  4. The quantity of heat which crosses unit area of a metal plate during c...

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  5. The dimensions of thermal conductivity are

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  6. The coefficient of thermal conductivity of a ga is proportional to

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  7. C.G.S unit of coefficient of thermal conductivity is

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  8. Large value of coefficient of thermal conductivity is due to

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  9. When hot water is poured in glass beaker.

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  10. The process of transfer of heat due to difference in densities of the ...

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  11. Convection is NOT possible in

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  12. In convection, energy is carried by

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  13. The motion of the particles of the medium results in currents

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  14. We feel cool near sea shore in day time because of

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  15. The result of convection currents in air is:

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  16. The colour of the body is an indication of

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  17. The heat radiated by hot body depends on

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  18. The rate of fall of temperature of a body is difrectly proportional to...

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  19. A body cools at the rate of 1.5 °C/min when its temperature is 30 °C a...

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  20. A metal sphere cools from 64 °C to 55 °C in 10 minutes and to 42 °C in...

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