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संबंधित प्रश्न
Who am I?
I make things hot or cold.
Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.
1 joule = 4.2 calorie
Is this relation correct?
What is evaporation? Why does it cause cooling?
State three main characteristics of a thermometric substance.
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Give a scientific reason for the following:
It is better to use thin blankets to keep the body warm rather than using a single blanket of thickness equal to their combined thickness.
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
Temperature is a measure of the average kinetic energy of molecules.
While a substance is undergoing a change of state, the temperature of the body remains ______.
