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प्रश्न
Kerosene contracts on heating.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
What are the different types of thermal expansions?
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.
(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
Complete the following sentence:
When ice melts its volume ______ and density _______.
Solids ______ on heating and ______ on cooling.
Thermal expansion is always a nuisance.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
