Advertisements
Advertisements
प्रश्न
The bottom of a cooking utensil is painted black. Give the reason.
Advertisements
उत्तर
The bottom part of the cooking utensil or pan is painted black. The reason is that the black surface absorbs more heat and so the contents of utensil or pan get cooked rapidly if its bottom part is painted black.
APPEARS IN
संबंधित 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.
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Write true or false for a given statement.
Kerosene contracts on heating.
Write true or false for a given statement.
Water is a bad conductor of heat.
Fill in the blank
Liquids expand _______ than the solids.
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Why is a ventilator provided in a room?
What are the land and sea breezes? Explain their formation.
What are the effects of heat?
