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प्रश्न
Fill in the blank
We use a ________ for measuring the temperature of a body.
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उत्तर
We use a thermometer for measuring the temperature of a body.
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संबंधित प्रश्न
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
Fill in the blank
Metals are _______ of heat.
Fill in the blank
Black and dull surfaces are ______ of heat.
Name two substances which expand on heating.
Why do telephone wires sag in summer ?
State one application of thermal expansion of liquids.
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
Explain the following effects of heat.
Expansion
