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प्रश्न
Fill in the blank
In a thermometer, the commonly used liquid is _______
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उत्तर
In a thermometer, the commonly used liquid is mercury.
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संबंधित प्रश्न
Name two substances which expand on heating.
A glass stopper stuck in the neck of a bottle can be removed by pouring hot water on the neck of the bottle. Explain why ?
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why do we use cooking utensils made up of copper.
Why is an oven made of double walls with the space in between filled with cork ?
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
Mention the factors affecting the flow of heat.
______ is greater for liquids than solids and it is maximum in gases.
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
