Which one of the following is an insulator?
Aluminium
Bakelite
Mercury
Steel
Which of the following is used to measure the body temperature?
Clinical thermometer
Laboratory thermometer
Heater
None of these
0oC is the same temperature as
0oF
212oF
32oF
100oF
Which is the only melt found in the liquid state at room temperature?
Copper
Silver
In which mode of transfer of heat the molecules do not actually move?
Conduction
Convection
Radiation
All of these
A bimetallic strip is made of metals M1 and M2. On cooling through the same temperature, M1 contracts more than M2. When the strip is heated, it will
Bend towards M1
Bend towards M2
Not bend at all
Direction of bending cannot be predicted
Temperature is measured by measuring expansion on heating. Expansion in which of these is most commonly used?
Solid
Liquid
Gas
Heat causes
Change of state
Change of temperature
Expansion
in solids, the transfer of heat takes place by
Convection of heat takes place in
Only solids
Only liquids
Liquids and solids
Liquids and gases