Advertisements
Advertisements
Question
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
Short Answer
Advertisements
Solution
One calorie of heat is the heat energy required to raise the temperature of 1 g of water from 14.5°C to 15.5°C.
1 calorie = 4.186 J
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
What will absorb heat?
Water
With the help of a diagram, show that water is a bad conductor of heat.
Which temperature segment is chosen when determining the unit of heat? Why?
Write scientific reason.
In the cold regions, snow falls in winter.
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
When an electric current is passing through the conductor ______ energy is produced.
A circular metal loop is heated at point O as shown in the following figure.
- In which direction would heat flow in the loop?
- In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Black color is a ______ absorber of heat.
In which of the following, chemical energy is converted into heat energy?
Warm air is ______.
