Heat

The process of converting solid to liquid is called_?
1. condensation
2. vaporisation
3. melting
4. sublimation
The process of converting liquid to gas is called _?
1. melting
2. vaporisation
3. sublimation
4. condensation
When we heat them the force of attraction between the molecules _.
1. decreases
2. increases
3. remains same
4. grows
Convection takes palce in-
1. gases
2. liquids
3. solids
4. both a&b
In hot air balloons heat is transferred by which process?
1. conduction
2. radiation
3. convection
4. blowing
The substances which does not conduct heat easily are called_.
1. conductors
2. inductors
3. insulators
4. capacitors
By which process heat energy from the Sun reaches the Earth?
1. conduction
2. convection
3. radiation
4. all of the above
Formation of land breeze and sea breeze is due to _ of air.
1. conduction
2. convection
3. radiation
4. induction
Amount of heat energy required to raise the temperature of a substance
by 1°C or 1 K is called-
1. heat capacitance
2. heat bulk
3. heat flow
4. heat capacity
In which mode, heat transfer takes place from one place to another in the form of electromagnetic waves?
electromagnetic waves.
1. conduction
2. convection
3. radiation
4. precipitation