Advertisements
Advertisements
प्रश्न
Distinguish between heat and temperature.
Advertisements
उत्तर
Heat is a form of energy obtained due to the random motion of molecules in a substance but temperature is a quantity which decided the direction of flow of heat when two bodies at different temperature are placed in contact. Two quantities having the same amount of heat may differ in temperature.
APPEARS IN
संबंधित प्रश्न
What is meant by the term temperature.
Convert – 40°F to the Celsius scale.
Why does a piece of ice when touched with a hand, appear cool? Explain.
A given mass of water is cooled from 10°C to 0°C. State the volume changes you will observe. Represent these changes on a temperature-volume graph.
Define temperature on the basis of the kinetic theory of matter.
Distinguish between heat and temperature.
Where am I?
The mean annual temperature is 25°C around me.
Find the final temperature of a copper rod. Whose area of cross-section changes from 10 m2 to 11 m2 due to heating. The copper rod is initially kept at 90K. (Coefficient of superficial expansion is 0.0021 /K)
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
Give reasons why –
chimneys are located high up in kitchens and factories
