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प्रश्न
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
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उत्तर
Temperature determines the degree of hotness or coldness of a body.
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संबंधित प्रश्न
Fill in the blank
We use a ________ for measuring the temperature of a body.
Fill in the blank
Still air is an __________ of heat.
What do you understand by thermal expansion of a substance ?
Why are gaps left between successive rails on a railway track ?
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into the water. Explain the reason.
What are the good and bad conductors of heat ? Give two examples of each.
Why is a tea kettle provided with an ebonite handle?
Why are quilts filled with fluffy cotton?
______ is the only matter on the Earth that can be found naturally in all three states.
Mention the factors affecting the flow of heat.
