Advertisements
Advertisements
प्रश्न
Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.
उत्तर
Heat flows from a body at a higher temperature to a body of lower temperature.
APPEARS IN
संबंधित प्रश्न
Why does a piece of ice when touched with a hand, appear cool? Explain.
Fill in the blank with the correct word, from the words in option:
All the temperature on the kelvin scale are in ____ figures.
Name three devices which are used to detect heat radiations.
Explain the following:
Water is heated generally from below.
Heat flows from a ______ body to a _____ body.
Give reason for the following
The electric wire which sag in summer become straight in winter.
Give reasons why –
chimneys are located high up in kitchens and factories
Why are burns caused by steam more painful than those caused by boiling water at the same temperature?
What will be the final temperature if 1,68,000 J of heat is absorbed by 2 kg of water at 30°C?
