Heat energy is carried by moving particles in
Conduction
Convection
Radiation
None of these
The amount of heat contained in a body depends on the
Material of the body
Mass of the body
Temperature of the body
All the above
Energy can travel through air or vaccum as
Heat
Electricity
Wind
Electromagnetic waves
When a solid is heated, it expands in
Length wise
Breadth wise
In all directions
No expansion takes place
The temperature at which a solid changes into a liquid is called the
Melting point
Boiling point
Freezing point
Freezing point of mercury is
0oC
- 100oC
- 39oC
- 10oC
The transfer of heat due to actual movement of particles is called
Lightning
SI unit of heat is
Joule
Calorie
Kilo calorie
Celsius
Which of the following is a measure of the hotness or coldness of a substance?
Energy
Temperature
Magnetism
The temperature at which a liquid changes into a gas is called the