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प्रश्न
During day time, air blows from ______ to ______.
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उत्तर
During day time, air blows from sea to land.
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संबंधित प्रश्न
Write true or false for a given statement.
All solids expand by the same amount when heated to the same rise in temperature.
Fill in the blank
In a thermometer, the commonly used liquid is _______
The fig. shows a glass tumbler containing hot milk which is placed in a tub of cold water. State the direction in which heat will flow.
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 ?
Describe one experiment to show that liquids expand on heating.
What are the good and bad conductors of heat ? Give two examples of each.
Name a liquid which is a good conductor of heat.
Name a solid which is a good conductor of heat.
The bottom of a cooking utensil is painted black. Give the reason.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
