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प्रश्न
What is a bimetallic strip?
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उत्तर
A bimetallic strip consists of two metal strips- one with high coefficient of expansion and the other with low coefficient of expansion.
संबंधित प्रश्न
Temperature is the measures of the ______ Kinetic energy of the atoms in a substance.
A body absorbs 1680 J of heat energy. How many calories of heat is absorbed by the body?
Do all substances expand on heating? Give examples.
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?
If a substance is heated or cooled, the change in mass of that substance is
The coldest temperature in the world was measured in the ______ continent.
A small change in the temperature causes change in ______ of a liquid.
While a substance is undergoing a change of state, the temperature of the body remains the same.
