Advertisements
Advertisements
प्रश्न
If a substance is heated or cooled, the change in mass of that substance is
पर्याय
positive
negative
zero
none of the above
Advertisements
उत्तर
Zero
Hint: Mass is always conserved during any change as the transmission of heat either cooling or heating.
APPEARS IN
संबंधित प्रश्न
Name the S.I. unit of heat and how is it related to the unit calorie?
Define coefficient of volume expansion.
Explain the following:
In a solid, heat is not transferred by the process of convection.
Who am I?
I connect places of equal temperature.
Higher Order Thinking question
Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.
When a substance is heated, its temperature ______.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
Match the following:
| Column-I | Column-II | |
| 1. | Temperature | Beam balance |
| 2. | Mass | Ruler |
| 3. | Length | Digital clock |
| 4. | Time | Thermometer |
Give reasons why –
an igloo is built as a winter shelter
