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Statement I: The bulb of one thermometer...

Statement I: The bulb of one thermometer is spherical while that of the other is cylindrical . Both have equal amounts of mercury. The response of the cylindrical bulb thermometer will be quicker.
Statement II: Heat conduction in a body is directly proportional to cross-sectional area.

A

spherical

B

cylindrical

C

elliptical

D

both (a) and (c)

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SL ARORA-Thermal Properties of Matter-Exercise
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  10. The unit of thermal conductivity is :

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  16. If temperature of a black body increases from 7^(@)C to 287^(@)C , the...

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  17. A black body is heated from 27^(@)C to 127^(@)C. The ratio of their en...

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  18. The rate of dissipation of heat by a black body at temperature T is Q....

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  19. A copper ball 2 cm in radius is heated in a furnace at 327^@C If its e...

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  20. A black body, at a temperature of 227^@C, radiates heat at a rate of 2...

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