Advertisements
Advertisements
Question
Fill in the blank
Black and dull surfaces are ______ of heat.
Solution
Black and dull surfaces are good absorbers of heat.
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
All solids expand by the same amount when 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
_________ determines the degree of hotness or coldness of a body.
Fill in the blank
On heating a body, its temperature _______.
Fill in the blank
Metals are _______ of heat.
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 ?
State one application of thermal expansion of liquids.
Explain why we wear woolen clothes in winter.
______ is the only matter on the Earth that can be found naturally in all three states.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
