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.
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.
What do you understand by thermal expansion of a substance ?
Why are gaps left between successive rails on a railway track ?
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Name a solid which is a good conductor of heat.
Why is a tea kettle provided with an ebonite handle?
Explain why we wear woolen clothes in winter.
What are the land and sea breezes? Explain their formation.
What are the effects of heat?
