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प्रश्न
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
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उत्तर
Gases are the worst conductor of heat.
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संबंधित प्रश्न
Name two scales of temperature. How are they interrelated?
Name the one common unit of temperature. Write their symbols also.
Write S.I. unit of temperature.
Name the scientist who designed the first thermometer.
Is it possible to boil water in a thin paper container? Explain with a reason.
Draw a neat and labeled diagram of a Six's maximum and minimum thermometer. Explain briefly, the working of this thermometer. Give a use of this thermometer.
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
What do you understand by thermal equilibrium?
While a substance is undergoing a change of state, the temperature of the body remains the same.
