Advertisements
Advertisements
प्रश्न
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
विकल्प
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Fill in the blank
The temperature of boiling water is _______
Fill in the blank
Black and dull surfaces are ______ of heat.
Select the correct alternative
The temperature of pure melting ice 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.
Why is a cement floor laid in small pieces with gaps in between?
One end of a steel girder in a bridge is not fixed, but is kept on roliers. Give the reason.
Describe one experiment to show that liquids expand on heating.
Why are chimneys provided over furnace in factories?
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
