Advertisements
Advertisements
प्रश्न
Why is a ventilator provided in a room?
Advertisements
उत्तर
A ventilator is provided in a room because it helps in removing the hot air from the room and allows the fresh and cold air to come in.
APPEARS IN
संबंधित प्रश्न
What is the unit of coefficient of linear expansion?
If you apply heat energy, the temperature of a system will _____.
Consider the statement given below and choose the correct option.
Assertion: A system can be converted from one state to another state.
Reason: It takes place when the temperature of the system is constant.
One calorie is the amount of heat energy required to raise the temperature of _______ of water through ______.
______ determines the direction of the flow of heat.
When a substance is heated, its temperature ______.
A small change in the temperature causes change in ______ of a liquid.
