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प्रश्न
What is the difference between heat and temperature? What are their units?
उत्तर
| Heat | Temperature |
|
It is a form of energy which causes in us the sensation of hotness or coldness. |
It is a measure of the degree of hotness or coldness of an object. |
|
The total kinetic energy of the atom is measured in heat. |
The average kinetic energy of the atom is measured in temperature. |
| It is measured in joules (J). | It is measure in Kelvin (K), Celsius (°C) and Fahrenheit (°F) |
संबंधित प्रश्न
Two substances A and B have specific heats c and 2 c respectively. If A and B are given Q and 4Q amounts of heat respectively, the change in their temperatures is the same. If the mass of A is m, what is the mass of B?
Calorie is the unit of :
State one use of each of the following type of thermometer:
Clinical thermometer
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
Give a scientific reason for the following:
Old quits are less warm than the new ones.
Where am I?
The mean annual temperature is 25°C around me.
What is temperature?
While a substance is undergoing a change of state, the temperature of the body remains the same.
While a substance is undergoing a change of state, the temperature of the body remains ______.
