Advertisements
Advertisements
Question
What do you mean by heat?
Solution
Heat is defined as a form of energy which flows from one point to another on account of temperature difference.
APPEARS IN
RELATED QUESTIONS
Who is telling the truth?
The temperature of a substance is measured in joules.
Define temperature and write its SI unit.
Name three devices which are used to detect heat radiations.
Define coefficient of linear expansion.
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
Define the process of conduction.
Out of metals, liquids, and gases:
Which one is the best conductor of heat?
Temperature is the average ______ of the molecules of a substance.
Figure 4.4. (a–d) shows the readings on four different thermometers. Indicate which of the reading shows the normal human body temperature?